Best Hard Shell Roof Cargo Boxes: 15 Spec-Based Picks
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If you are shopping for the best hard shell roof cargo boxes, the picks here are based only on the specifications published on each listing. We compared 15 hard-shell models across capacity, dimensions, weight, opening style, and mounting requirements.
The GarveeTech 12 cu ft Dual-Side Opening Roof Box leads the list because it offers dual-side access and a 165 lb load capacity in a 54.3-inch-long shell. Use this guide to decide which box fits your roof, your gear, and the way you travel.
Quick picks
The best fit for you
- You need dual-side access and high capacity GarveeTech 12 cu ft Dual-Side Opening Roof Box It offers 165 lb capacity and dual-side opening for easy loading.
- You want the largest budget-friendly storage volume Maxsa Innovations 17 cu ft Hard Shell Cargo Box It provides 17 cu ft of space with a 165 lb load limit.
- You need a low-profile box for skis INNO Wedge 660 11 cu ft Dual-Side Its 11-inch height and dual-side access suit ski and snowboard transport.
Our 15 picks
GarveeTech 12 cu ft Dual-Side Opening Roof Box
Best for: Travelers needing dual-side access and 165 lb capacity
- Shell Type
- Hard Shell (what this guide is about)
- Capacity
- 12 cu ft (340 L)
- Opening
- Dual-sided
- Load Capacity
- 165 lb
- Water Resistance
- Waterproof
- Security
- 2 keys and 2 straps
View on Amazon: GarveeTech 12 cu ft Dual-Side Opening Roof Box
This hard shell ABS cargo box adds 12 cubic feet (340 L) of roof storage with a 165 lb load capacity. It measures 54.3 x 31.5 x 13.4 inches and opens from both sides for easy access. The waterproof, UV-resistant shell suits road trips. It fits any vehicle with a roof rack, though you should confirm fitment first.
Pros
- Dual-sided opening with 2 keys and 2 straps
- 12 cu ft (340 L) capacity and 165 lb load limit
- Hard shell ABS is waterproof and UV-resistant
- Universal fit for cars, vans, and SUVs with roof racks
- Aerodynamic shape helps reduce fuel consumption and noise
Cons
- 13.4-inch height limits how tall items you can pack
- Requires checking roof rack fitment before purchase
- Only 2 keys included for the lock
Good fit if
- You want to load from either side of the vehicle
- You carry bulky but low-profile gear up to 165 lb
- You need a waterproof hard shell for variable weather
Skip if
- You need a taller box for items over 13.4 inches
- You want a model with more included security hardware
- You prefer a specific vehicle-brand fitment over universal
Verdict: GarveeTech 12 cu ft Dual-Side Roof Cargo Box is a balanced, best-overall pick for drivers who want accessible dual-sided loading, solid capacity, and durable ABS construction.
Maxsa Innovations 17 cu ft Hard Shell Cargo Box
Best for: budget-minded travelers needing secure cargo storage
- Shell Type
- Hard Shell (what this guide is about)
- Capacity
- 17 cu ft
- Load Capacity
- 165 lbs
- Vehicle Compatibility
- Fits a wide range of cars and SUVs
- Recommended Use
- Travel essentials, luggage, outdoor gear
- Mount Type
- Roof Mount
View on Amazon: Maxsa Innovations 17 cu ft Hard Shell Cargo Box
The Maxsa Innovations 17 cu ft Hard Shell Cargo Box is a budget-friendly hard shell roof box with 17 cubic feet of storage and a 165-pound load capacity. It measures 55.1 inches long, 35 inches wide, and 16.1 inches tall. This box suits budget-conscious travelers who need a secure, aerodynamic cargo carrier for road trips.
Pros
- 17 cu ft capacity and 165 lbs load capacity for luggage and gear
- Aerodynamic design reduces wind resistance and noise
- Locking system with two keys and robust straps for security
- Universal fit for a wide range of cars and SUVs
Cons
- No dual-side opening listed, limiting access to one side
- Heavier than some comparable boxes at 35.3 pounds
- Only one color option (black) available
Good fit if
- You want a hard shell roof box with a low price point
- You need 17 cu ft of storage for family travel essentials
- You prefer a simple, secure locking system over complex mechanisms
Skip if
- You need dual-side opening for easier loading on either side
- You require a larger capacity above 17 cu ft without buying a bigger model
- You want a box lighter than 35 pounds for easier handling
Verdict: Maxsa Innovations 17 cu ft Hard Shell Cargo Box offers a spacious 17 cu ft interior and 165 lbs load capacity at a budget-friendly price, making it a solid choice for cost-conscious travelers who value security and aerodynamic design.
D Solutions 11 cu ft Hard Shell Roof Cargo Box
Best for: drivers with cross bars needing simple, lockable storage
- Shell Type
- Hard Shell (what this guide is about)
- Capacity
- 11 Cubic Feet
- Load Capacity
- 110 LBS
- Security
- secure key lock
- Installation
- no tool assembly and installation
- Vehicle Compatibility
- fits for vehicles with cross bars only
View on Amazon: D Solutions 11 cu ft Hard Shell Roof Cargo Box
The D Solutions is a universal hard shell cargo box made from ABS plastic. It offers 11 cubic feet of storage, a 110-pound load rating, and dimensions of 53 by 34 by 15 inches. A secure key lock protects contents, and the box installs on cross bars without tools. It suits drivers who want a straightforward, weather-resistant carrier for everyday luggage.
Pros
- 11 cubic feet of enclosed cargo space
- 110-pound load capacity
- ABS hard shell with black textured finish and non-slip bottom
- Secure key lock included
- No-tool assembly and installation on cross bars
Cons
- Requires existing cross bars on your vehicle
- 53-inch length limits longer cargo like skis or large gear
- 15-inch height gives a lower profile but reduces what can stack inside
Good fit if
- You already have cross bars on your vehicle
- You want a hard shell box that installs without tools
- You need secure, lockable storage for roughly 11 cubic feet of gear
Skip if
- You carry loads heavier than 110 pounds
- You need more than 11 cubic feet of cargo volume
- You plan to haul items longer than 53 inches
Verdict: D Solutions 11 cu ft Hard Shell Roof Box is a simple, secure ABS cargo box with a tool-free install and a practical size for everyday travel. It is best suited to drivers who already have cross bars and need moderate extra space.
Yakima SkyBox NX XXL 22 cu ft Hard Shell Box
Best for: large family trips and long ski gear
- Shell Type
- Hard Shell (what this guide is about)
- Capacity
- 22 cu ft
- Opening
- Dual-sided
- Security
- SKS locks
- Mount Type
- Roof Mount
- Lockable
- Lockable
View on Amazon: Yakima SkyBox NX XXL 22 cu ft Hard Shell Box
The Yakima SkyBox NX XXL is a dual-sided hard shell roof box with 22 cubic feet of capacity. It carries gear for up to five campers or skis up to 215 cm. Integrated SKS locks secure the push-button opening. The flattened floor and NX nano-texture give it a clean, practical design. It suits families and outdoor travelers who want generous storage and easy access from either side of the vehicle.
Pros
- 22 cu ft capacity for up to five campers' gear
- Dual-sided opening for loading from either side
- SKS locks with push-button security
- Unobstructed flattened floor for easier packing
Cons
- Available in one color only
- Heights vary by size option, from 16 to 16.5 inches
Good fit if
- You need a large roof box for family road trips
- You want access from both sides of the vehicle
- You value integrated locks for security
Skip if
- You want a box that opens only from one side to save weight
- You need a specific color to match your vehicle
- You are looking for a compact, low-profile cargo box
Verdict: Yakima SkyBox NX XXL 22 cu ft Hard Shell Box is a premium dual-sided cargo box with a large 22 cu ft capacity and SKS locks. It is a strong choice for families and adventurers who need generous, secure roof storage.
DNA Motoring 13 cu ft Hard Shell Roof Box
Best for: drivers with cross bars needing lockable extra cargo space
- Shell Type
- Hard Shell (what this guide is about)
- Capacity
- 13 Cubic Feet
- Opening
- Double side
- Load Capacity
- 110 lbs
- Water Resistance
- Weatherproof
- Security
- Security locking system with keys
The DNA MOTORING rooftop cargo box is a hard-shell, weatherproof carrier that adds 13 cubic feet of storage to vehicles with cross bars. It holds up to 110 lbs when evenly distributed and measures 56.3" L x 36.8" W x 16.25" H. Double-side opening and a security locking system make loading and securing gear straightforward. It suits drivers who want extra cargo space without sacrificing passenger comfort.
Pros
- 13 cubic feet of internal storage
- 110 lbs maximum distributed load capacity
- Double-side opening for easy access from either side
- Security locking system with keys included
- Weatherproof ABS shell with textured black finish
Cons
- Fits vehicles with cross bars only
- 16.25-inch height may be tall for low garage clearances
- No tool assembly, but cross bars are required
Good fit if
- You already have cross bars on your vehicle
- You want extra cargo space without reducing passenger room
- You need a lockable, weatherproof box for road trips
Skip if
- You do not have cross bars installed on your vehicle
- You need a larger capacity box for bulky gear
- You want a gloss finish instead of textured black
Verdict: DNA MOTORING 13 cu ft Hard Shell Cargo Box is a practical, lockable hard-shell carrier that offers 13 cubic feet of storage and 110 lbs capacity for vehicles with cross bars.
Auto Dynasty 11 cu ft Hard Shell Roof Box
Best for: budget-friendly compact cargo storage
- Shell Type
- Hard Shell (what this guide is about)
- Capacity
- 11 Cubic Feet
- Opening
- passenger side
- Load Capacity
- 110 lb
- Security
- key lock system
- Installation
- tool free installation
The Auto Dynasty Hard Shell Roof Top Mount Cargo Carrier is an 11 cubic foot hard shell box with a 110 lb weight capacity. It measures 53" L x 34" W x 15" H and opens from the passenger side. Made of UV-protected ABS plastic with a key lock system and tool-free installation. It suits budget-conscious travelers who need a compact, secure cargo box for weekend trips.
Pros
- 11 cubic feet capacity with 110 lb load limit
- UV-protected, weather-resistant ABS shell
- Key lock system for security
- Tool-free installation with included mounting brackets
- Passenger-side opening for curbside loading
Cons
- Only 14-inch wide opening limits loading large items
- No dual-side opening like some competitors
- ABS shell may be less impact-resistant than polycarbonate or fiberglass
Good fit if
- You need a compact 11 cu ft box for a small vehicle or limited roof space
- You prefer a passenger-side opening for safer curbside loading
- You want a tool-free installation with included brackets
Skip if
- You need more than 11 cubic feet of storage capacity
- You require dual-side opening for access from either side of the vehicle
- You plan to carry items longer than 53 inches
Verdict: Auto Dynasty 11 cu ft Hard Shell Roof Box is a compact, secure hard shell cargo box with a 110 lb capacity and tool-free installation, best for budget-minded travelers who need a small box for weekend gear.
PM Performotor 11 cu ft Hard Shell Cargo Box
Best for: compact lockable storage on a budget
- Shell Type
- Hard Shell (what this guide is about)
- Capacity
- 11 Cubic Feet
- Opening
- opens to 14" wide
- Load Capacity
- 110lbs
- Security
- key and lock
- Installation
- tool-free or simple installation
View on Amazon: PM Performotor 11 cu ft Hard Shell Cargo Box
This PM Performotor hard shell roof box offers 11 cubic feet of storage with a 110-pound load capacity. It is made from impact-resistant ABS plastic and includes a locking system for security. The box fits most vehicles with cross bars and requires tool-free or simple installation. It suits drivers who want a durable, weatherproof cargo box for road trips.
Pros
- Impact-resistant ABS plastic shell withstands weather and UV rays
- Locking system with key and lock for cargo security
- Tool-free or simple installation with included mounting brackets
- Aerodynamic shape reduces wind noise and fuel consumption
Cons
- Only 11 cubic feet capacity, smaller than many boxes on this list
- Opens to only 14 inches wide, limiting access to wider items
- No dual-side opening, unlike some competitors
Good fit if
- You want a compact hard shell box for occasional trips
- You need a lockable box for secure storage
- You prefer tool-free installation on your cross bars
Skip if
- You need more than 11 cubic feet of cargo space
- You want a box that opens from both sides for easier loading
- You plan to carry items wider than 14 inches
Verdict: PM Performotor 11 cu ft Hard Shell Box is a solid choice for drivers who want a compact, lockable hard shell box with easy installation, but its smaller capacity and single-side opening limit its versatility compared to larger models.
INNO Wedge 660 11 cu ft Dual-Side
Best for: drivers needing a low-profile box for skis and snowboards
- Shell Type
- Hard Shell (what this guide is about)
- Capacity
- 11 cu ft
- Opening
- dual-side
- Installation
- Memory Mount system, tool free
- Vehicle Compatibility
- Aero & Square Bars
- Dimensions
- 80 x 33 x 11 in
The INNO Wedge 660 is a compact 11 cu ft hard-shell roof box with a low-profile wedge shape. It opens from both sides for easy loading. The Memory Mount system makes installation tool-free after initial setup. It fits aero and square bars. This box suits drivers who want a small, aerodynamic box for skis or snowboards without excess bulk.
Pros
- Dual-side opening for loading from either side of the vehicle
- Memory Mount system for tool-free installation after initial setup
- SPM injection construction offers up to 50% greater strength than vacuum-formed boxes
- Low-profile wedge design reduces wind noise
- Safety lock system prevents key removal until fully secured
Cons
- 11 cu ft capacity is smaller than many other boxes on this list
- Only 11 inches tall, limiting what bulky items you can store
- No remote or electronic locking feature listed
Good fit if
- You want a compact, aerodynamic box for skis, snowboards, or lightweight gear
- You prefer a tool-free mounting system after the first install
- You need dual-side access for loading from either side of your vehicle
Skip if
- You need more than 11 cu ft of cargo space
- You plan to carry tall or bulky items that require a taller box
- You want a box with electronic or remote locking
Verdict: INNO Wedge 660 11 cu ft Low-Profile Box is a well-built, compact hard-shell box that excels at carrying skis and snowboards with minimal wind noise and easy dual-side access. Its small size and low height limit its versatility for larger cargo.
Garvee 13.5 cu ft Dual-Side Opening Roof Box
Best for: dual-side access and weather-resistant storage
- Shell Type
- Hard Shell (what this guide is about)
- Capacity
- 13.5 cu ft
- Opening
- dual-side
- Load Capacity
- 135 lbs
- Water Resistance
- waterproof
- Security
- two keys
View on Amazon: Garvee 13.5 cu ft Dual-Side Opening Roof Box
The Garvee 13.5 cu ft roof box is a hard-shell ABS carrier with dual-side opening for easy access from either side of your vehicle. It measures 67.5 x 31.5 x 13.8 inches and holds up to 135 pounds. The waterproof and UV-resistant design protects your gear. It fits any vehicle with roof racks, making it a versatile choice for road trips.
Pros
- Dual-side opening for convenient access from either side
- Waterproof and UV-resistant ABS shell protects cargo
- 135-pound load capacity with 13.5 cu ft of space
- Universal fit for vehicles with roof racks
Cons
- No integrated locking system beyond included keys
- Relatively low height (13.8 inches) limits bulky items
- Weighs 43 pounds, which may be heavy for solo mounting
Good fit if
- You want a roof box that opens from both sides for easier loading
- You need a waterproof and UV-resistant carrier for all-weather trips
- You have a standard roof rack and need extra cargo space
Skip if
- You need a taller box for larger items like camping gear
- You prefer a box with a built-in locking mechanism rather than separate keys
- You want a lighter box for easier handling
Verdict: Garvee 13.5 cu ft Dual-Side Opening Roof Box is a practical hard-shell carrier with dual-side access, ample capacity, and weather protection, though its low profile and key-based security may not suit everyone.
Yakima EXO GearLocker Cargo Carrier
Best for: Yakima EXO system owners needing modular cargo storage
- Shell Type
- Hard Shell (what this guide is about)
- Capacity
- 10-cubic-foot
- Security
- secure locking system
- Installation
- tool-free setup
- Dimensions
- 60" L x 23" W x 16" H
- Weight
- 28 pounds
The Yakima EXO GearLocker is a 10-cubic-foot hard-shell cargo carrier designed to mount on the Yakima EXO SwingBase or TopShelf (sold separately). It measures 60 inches long, 23 inches wide, and 16 inches high, with a tool-free installation and a secure locking system. This carrier suits you if you already own or plan to buy the EXO platform system and want a modular, aerodynamic cargo box.
Pros
- Tool-free setup for quick installation and removal
- Aerodynamic hard-shell design reduces drag and noise
- Secure locking system included to protect your gear
- Impact-resistant plastic construction for durability
- Weighs 28 pounds, manageable for one person to handle
Cons
- Requires the EXO SwingBase or TopShelf (sold separately) to function
- 10-cubic-foot capacity is smaller than many standalone roof boxes
- No dual-side opening; access is limited to one side
Good fit if
- You already own or plan to buy the Yakima EXO SwingBase or TopShelf
- You want a modular cargo system that can expand with other EXO accessories
- You prioritize a low-profile, aerodynamic shape for highway driving
Skip if
- You need a standalone roof box that mounts directly to crossbars
- You require more than 10 cubic feet of cargo capacity
- You want a box with dual-side opening for easier loading
Verdict: Yakima EXO GearLocker Cargo Carrier is a solid choice if you are invested in the Yakima EXO platform, offering tool-free installation and a secure, aerodynamic design, but its smaller capacity and required base system limit its appeal for general use.
Relaxcabine 13 cu ft Hard Shell Roof Box
Best for: side access and moderate camping loads
- Shell Type
- Hard Shell (what this guide is about)
- Capacity
- 13 cu ft
- Opening
- dual-side
- Load Capacity
- 130 lbs
- Water Resistance
- weather-resistant
- Security
- built-in locking system
This Relaxcabine roof box offers 13 cubic feet of storage in a hard shell made from ABS and PMMA. It features dual-side opening for easy access and a tool-free installation on most crossbars. The unit supports up to 130 lbs of gear and includes a secure locking system. Its weather-resistant design suits family trips and camping, providing clutter-free cabin space for your gear.
Pros
- Dual-side opening for convenient access
- Tool-free quick installation
- Secure built-in locking system
- Weather-resistant ABS and PMMA shell
Cons
- 130 lbs load capacity is lower than many competitors
- 13 cubic feet capacity is smaller than larger options
- No mention of aerodynamic drag reduction features
Good fit if
- You need easy access from both sides of the vehicle
- You want a tool-free setup on existing crossbars
- You are carrying moderate loads for family camping
Skip if
- You require a load capacity above 130 lbs
- You need more than 13 cubic feet of storage
- You prefer a low-profile design for highway efficiency
Verdict: Relaxcabine 13 Cu Ft Dual-Side Hard Shell is a practical option for campers who value side access and straightforward installation over maximum capacity or load weight.
VISRACK 13 cu ft Hard-Shell Roof Box
Best for: drivers wanting a simple, secure, dual-side roof box
- Shell Type
- Hard Shell (what this guide is about)
- Capacity
- 13 cubic feet
- Opening
- Dual-side
- Load Capacity
- 130 lbs (50 kg)
- Water Resistance
- Shields from rain, snow, UV rays
- Installation
- Tool-free, U-brackets
The VISRACK Hard-Shell Roof Box offers 13 cubic feet of storage with a 130-pound load capacity. Its dual-side opening and tool-free installation make it practical for family trips. Made from ABS and PC materials, it resists weather and UV rays. This box suits drivers who want a straightforward, secure cargo solution without complex setup.
Pros
- Dual-side opening for easy loading from either side
- Tool-free installation with U-brackets fits round, square, or aerodynamic bars
- Central locking system with key removable only when fully locked
- Weather-resistant ABS and PC hard shell protects against rain, snow, and UV rays
Cons
- At 27.8 pounds, it is heavier than some similarly sized boxes
- 13 cubic feet capacity is smaller than many options on this list
- No remote or fingerprint unlock features listed
Good fit if
- You want a dual-side opening box for flexible loading in tight spaces
- You prefer tool-free installation to get on the road quickly
- You need a weather-resistant hard shell for all-season use
Skip if
- You need more than 13 cubic feet of cargo space
- You want the lightest possible roof box to minimize roof load
- You require a box with advanced security features like a remote lock
Verdict: VISRACK 13 cu ft Hard-Shell Roof Box is a solid choice for budget-conscious shoppers who need a secure, dual-side opening box with straightforward installation, though its capacity is smaller than many competitors.
JEGS 18 cu ft Rooftop Cargo Carrier
Best for: buyers wanting tool-free, weather-tight rear-access storage
- Shell Type
- Hard Shell (what this guide is about)
- Capacity
- 18 cubic ft.
- Opening
- rear
- Load Capacity
- 110 lb.
- Water Resistance
- weather-tight seal
- Security
- four corner locking system, front latch
The JEGS 18 cu ft Hard Shell Roof Box is a rear-opening HDPE plastic cargo box with a 110 lb load capacity. It measures 61.3 inches long, 39 inches wide, and 12 inches tall. A four corner locking system, front latch, and weather-tight seal protect your gear. Assembly requires no tools, and all mounting hardware is included.
Pros
- 18 cu ft capacity with 57 x 39 x 19.5 inch interior
- 110 lb load capacity
- Four corner locking system plus front latch
- Weather-tight seal for weatherproof storage
- No tools required for assembly and installation
Cons
- Rear-opening only, so access is from one side
- 12-inch height limits tall items
- Weighs 35.5 lb before loading
Good fit if
- You want a hard shell box with a 110 lb load capacity
- You prefer tool-free installation with included hardware
- You need weather-tight protection for luggage and gear
Skip if
- You need dual-side or front opening access
- You carry tall items that need more than 12 inches of box height
- You want a lighter box for frequent mounting and removal
Verdict: JEGS 18 cu ft Hard Shell Roof Box is a practical rear-opening hard shell carrier with a solid 110 lb capacity, tool-free installation, and weather-tight locking protection.
Dvasovio Heavy-Duty Roof Box 15.5 cu ft
Best for: mid-size trips with dual-side access and tool-free install
- Shell Type
- Hard Shell (what this guide is about)
- Capacity
- 15.5 Cubic Ft
- Opening
- Dual-side
- Load Capacity
- 130 lb
- Water Resistance
- Weather-resistant
- Security
- Three-point locking mechanism
This Dvasovio hard-shell roof box offers 15.5 cubic feet of storage and a 130-pound load capacity. It is built from ABS plastic and PMMA for weather resistance. Dual-side opening and a three-point locking mechanism add convenience and security. Tool-free installation works with round, square, or aerodynamic bars. It suits travelers who need a mid-size, durable cargo box.
Pros
- 15.5 cubic feet capacity and 130 lb load limit
- Dual-side opening for easy access from either side
- Three-point locking mechanism for security
- Tool-free installation compatible with various roof bar shapes
- Weather-resistant ABS and PMMA shell
Cons
- At 13 inches tall, it may not fit bulky items like upright skis
- No integrated lighting or remote lock listed
- Multiple size/color variations can make selection confusing
Good fit if
- You want a roomy hard-shell box with a 130-pound capacity
- You need dual-side access for loading from either side of the car
- You prefer tool-free mounting on round, square, or aerodynamic bars
Skip if
- You need a taller box for skis or large gear (13-inch height)
- You require a box with built-in lighting or a remote lock system
- You want a single-size option without color/size variants
Verdict: Dvasovio Heavy-Duty Roof Box 15.5 cu ft is a practical, weather-resistant hard-shell box with dual-side access and solid security, though its low profile limits tall cargo.
Goplus 14 cu ft Dual-Side Opening Roof Box
Best for: side access and moderate cargo needs
- Shell Type
- Hard Shell (what this guide is about)
- Capacity
- 14 Cubic Feet
- Opening
- Dual-side
- Load Capacity
- 165 lbs
- Water Resistance
- Waterproof
- Security
- double-lock design, super latch security
This Goplus roof box offers 14 cubic feet of storage with a dual-side opening design. It measures 63 by 31 by 15 inches and weighs 25 pounds. The ABS and PC shell provides waterproof protection. It supports a load capacity of 165 pounds. The unit fits racks between 17 and 22.8 inches wide. You get easy access from either side of the vehicle.
Pros
- Dual-side opening for convenient access
- 14 cubic feet capacity
- 165 lb load capacity
- Waterproof ABS and PC shell
Cons
- 14 cubic feet is smaller than 17 or 18 cubic feet options
- 165 lb capacity is lower than some heavy-duty competitors
- 25 lb weight adds to vehicle load
Good fit if
- You need access from both sides of the car
- You have a roof rack between 17 and 22.8 inches wide
- You want a waterproof hard shell for road trips
Skip if
- You require more than 14 cubic feet of space
- You need to carry loads over 165 pounds
- Your crossbars are wider than 3.1 inches
Verdict: Goplus 14 Cu Ft Dual-Side Hard Shell fits drivers who prioritize side access and moderate capacity. It suits those with standard roof racks who do not need the largest available volume.
Specifications side by side
| Spec | GarveeTech 12 cu ft Dual-Side Opening Roof Box | Maxsa Innovations 17 cu ft Hard Shell Cargo Box | D Solutions 11 cu ft Hard Shell Roof Cargo Box | Yakima SkyBox NX XXL 22 cu ft Hard Shell Box | DNA Motoring 13 cu ft Hard Shell Roof Box | Auto Dynasty 11 cu ft Hard Shell Roof Box | PM Performotor 11 cu ft Hard Shell Cargo Box | INNO Wedge 660 11 cu ft Dual-Side | Garvee 13.5 cu ft Dual-Side Opening Roof Box | Yakima EXO GearLocker Cargo Carrier | Relaxcabine 13 cu ft Hard Shell Roof Box | VISRACK 13 cu ft Hard-Shell Roof Box | JEGS 18 cu ft Rooftop Cargo Carrier | Dvasovio Heavy-Duty Roof Box 15.5 cu ft | Goplus 14 cu ft Dual-Side Opening Roof Box |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Capacity | 12 cu ft (340 L) | 17 cu ft | 11 Cubic Feet | 22 cu ft | 13 Cubic Feet | 11 Cubic Feet | 11 Cubic Feet | 11 cu ft | 13.5 cu ft | 10-cubic-foot | 13 cu ft | 13 cubic feet | 18 cubic ft. | 15.5 Cubic Ft | 14 Cubic Feet |
| Shell Type | Hard shell ABS | Hard shell | ABS plastic | not specified | Hard Shell, ABS | ABS | ABS plastic | Hard Shell | ABS | hard-shell | ABS and PMMA | Hard shell (ABS and PC) | HDPE plastic hard shell | ABS plastic and PMMA | ABS and PC |
| Opening | Dual-sided | not specified | not specified | Dual-sided | Double side | passenger side | opens to 14" wide | dual-side | dual-side | not specified | dual-side | Dual-side | rear | Dual-side | Dual-side |
| Load Capacity | 165 lb | 165 lbs | 110 LBS | not specified | 110 lbs | 110 lb | 110lbs | not specified | 135 lbs | not specified | 130 lbs | 130 lbs (50 kg) | 110 lb. | 130 lb | 165 lbs |
| Water Resistance | Waterproof | not specified | not specified | not specified | Weatherproof | not specified | not specified | not specified | waterproof | not specified | weather-resistant | Shields from rain, snow, UV rays | weather-tight seal | Weather-resistant | Waterproof |
| Security | 2 keys and 2 straps | not specified | secure key lock | SKS locks | Security locking system with keys | key lock system | key and lock | not specified | two keys | secure locking system | built-in locking system | not specified | four corner locking system, front latch | Three-point locking mechanism | double-lock design, super latch security |
| Installation | not specified | not specified | no tool assembly and installation | not specified | No tool assembly | tool free installation | tool-free or simple installation | Memory Mount system, tool free | not specified | tool-free setup | tool-free | Tool-free, U-brackets | no tools required | Tool-free | 4 quick connect anchors |
| Vehicle Compatibility | All vehicles with roof rack | Fits a wide range of cars and SUVs | fits for vehicles with cross bars only | not specified | Fits vehicles with cross bars only | not specified | not specified | Aero & Square Bars | all vehicles equipped with roof racks | not specified | most crossbars | not specified | not specified | not specified | not specified |
| Dimensions | 54.3 x 31.5 x 13.4 in | not specified | 53 x 34 x 15 in | not specified | 56.3" L x 36.8" W x 16.25" H | 53" L x 34" W x 15" H | 53"L x 34"W x 15"H | 80 x 33 x 11 in | 67.5 x 31.5 x 13.8 in | 60" L x 23" W x 16" H | 55.91 x 29.53 x 14.96 in | 55.91 x 29.53 x 14.96 in | 61.3" L x 39" W x 12" H | 58.3 x 35.4 x 13 in | 63 x 31 x 15 in |
| Recommended Use | not specified | Travel essentials, luggage, outdoor gear | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | family trips, camping | not specified | not specified | not specified | not specified |
| Vehicle Type | not specified | not specified | not specified | not specified | Car | not specified | Car | not specified | not specified | not specified | not specified | not specified | not specified | not specified | Car |
| Mount Type | Roof Mount | Roof Mount | not specified | Roof Mount | Roof Mount | not specified | Roof Mount | not specified | Roof Mount | not specified | not specified | not specified | Roof Mount | Roof Mount | Roof Mount |
| Lockable | not specified | not specified | not specified | Lockable | Lockable | not specified | not specified | not specified | not specified | not specified | Lockable | not specified | not specified | not specified | not specified |
| Weight | 39 pounds | 35.3 pounds | 50.3 pounds | not specified | not specified | not specified | not specified | 42 pounds | 43 pounds | 28 pounds | 27.8 pounds | 27.8 pounds | 35.5 pounds | not specified | 25 pounds |
| Size | 12 Cubic Feet | 17 Cubic Feet | 11 Cubic Feet | NX 22 | 13 cu. ft.-16.25" H | 11 Cubic Feet | 11 Cubic Feet | 11 Cu Ft | 13.5 Cubic Feet | not specified | 13 Cu Ft Black | Diamond Black-13Cubic | Stock | Red(58") | not specified |
| Color | Black | Black | Textured Black | One Color | Textured Black | Textured Black- A | Textured Black | Gloss Black | Black | Black | Black | Diamond Black-13Cubic | black | Red(58") | Black |
| Model | MP7b0YjWqgxAgOG-snFeyQS3GEfd | bIi-QJmJN9FwtqXvOPt-w-cKQbKMo | not specified | Yakima | PT-ZTL-8188 | not specified | PM-64342 | WEDGE660 | bxA-Hw4tBMvF-RuHz9G5x-8cGn | 8002718 | Black Cargo Box | D56 | 555-90093 | W-332 | not specified |
Is a Hard Shell Roof Box Worth It?
A hard shell roof box provides a rigid, weather-resistant enclosure that keeps your cargo dry and secure. The data shows these boxes are lockable and mount directly to your roof crossbars. In daily use, a hard shell protects gear from rain, dust, and road debris, and it adds minimal wind resistance compared to soft carriers. You do not need to worry about straps loosening or the box shifting at highway speeds. However, the box itself is heavy—weights in this list range from about 28 to 50 pounds—so you need to lift it onto your roof for installation and removal.
Worth it if
- You want permanent weather protection for your cargo during long trips
- You prefer a secure, lockable storage solution that mounts directly to your roof crossbars
- You carry items that need a rigid shell, such as skis, snowboards, or bulky camping gear
Skip it if
- You need to frequently remove and store the box, as hard shells are heavy and awkward to handle alone
- You have a low roof clearance or limited overhead space, since the box adds 11 to 16 inches of height
- You only carry soft, compressible items that could fit in a cheaper soft-sided carrier
If you need workshop ventilation while loading gear, you can evaluate airflow ratings for the best box fans.
How We Picked Hard Shell Boxes
We searched Amazon listings for cargo carriers that list Shell Type: Hard Shell as a feature. Only products whose title or feature list states this were included. We show one size or variant per product family to avoid duplicates.
Products are ordered first by availability, then by the listing's overall rating weighted by the number of ratings, and finally by how many of our criteria the specs meet. We used published specifications such as load capacity, opening type, dimensions, and weight to compare boxes. Prices and stock are updated live on the page and are not part of this guide.
How to choose the right hard shell roof box
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Match capacity to your gear
Capacity is the most straightforward spec to compare. Boxes in this guide range from 11 to 22 cubic feet. An 11 cu ft box holds a few duffel bags or a single set of skis. A 22 cu ft box, like the Yakima SkyBox NX XXL, can fit luggage for a family of four. Think about what you will carry most often. If you only need extra space for weekend trips, a smaller box is easier to store and lighter to install.
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Check your roof space
Box length varies from 53 to 80 inches among these models. Before you buy, measure the distance between your crossbars and the total usable roof length. A box that is too long may overhang and interfere with your hatch or antenna. The INNO Wedge 660 is 80 inches long, which works on larger vehicles but may not fit a compact car. Always confirm the box length fits your roof without blocking access.
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Choose your opening style
Hard shell boxes open from one side or both sides. Dual-side opening, found on models like the GarveeTech 12 cu ft, lets you load from either side of the vehicle. This is convenient when you park next to a curb or wall. Single-side boxes are simpler and often lighter. If you frequently load gear from both sides, dual-side access saves time. If you mostly load from one side, a single-side box works fine.
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Consider load capacity limits
Load capacity tells you the maximum weight the box can carry. This guide includes boxes rated from 110 lb to 165 lb. Heavier boxes like the GarveeTech 12 cu ft (165 lb) can hold more gear, but remember your roof rack also has a weight limit. Check your vehicle’s roof load rating in the owner’s manual. The box itself weighs between 27 and 50 pounds, so subtract that from your roof’s capacity to know how much gear you can add.
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Look for security features
Security matters when you leave gear on your roof. Many boxes in this guide are listed as lockable, including the Yakima SkyBox NX XXL and the DNA Motoring 13 cu ft box. Lockable boxes use a key to secure the lid, deterring theft. Some models also include central locking that engages all latches at once. If you plan to store valuables, choose a box that explicitly lists lockable in its features.
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Verify crossbar compatibility
All hard shell boxes mount to roof crossbars, but not all crossbars are the same. Check the mounting system each box uses. Some boxes use U-bolts or clamps that fit most round, square, or aerodynamic bars. Others may require specific adapters. The Ausum Motor 14 cu ft box notes you must confirm crossbar spacing before buying. Measure your crossbar width and spacing, and compare with the box’s mounting instructions.
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Weigh box weight and height
The box itself adds weight and height to your vehicle. Box weights in this guide range from 27.8 lb to 50.3 lb. A lighter box is easier to lift onto your roof and remove when not in use. Height matters for garage clearance and fuel economy. The INNO Wedge 660 is only 11 inches tall, which reduces wind drag. Taller boxes, like the DNA Motoring 13 cu ft at 16.3 inches, offer more interior height for bulky items.
Frequently asked questions
What is the largest hard shell roof cargo box capacity available?
The Yakima SkyBox NX XXL offers the largest capacity at 22 cubic feet. It is designed for large family trips and long ski gear. This dual-sided box features SKS locks for security. Its generous volume makes it a strong choice when you need maximum storage space on your roof.
Which roof box has the highest load capacity?
Several models support a 165 lb load capacity. These include the GarveeTech 12 cu ft, Maxsa Innovations 17 cu ft, and Goplus 14 cu ft boxes. This weight limit applies to the gear you place inside. Always ensure your vehicle roof rack can also handle this total weight.
Do any hard shell boxes open from both sides?
Yes, several models feature dual-side opening for easier access. The GarveeTech 12 cu ft, INNO Wedge 660, Garvee 13.5 cu ft, Relaxcabine 13 cu ft, VISRACK 13 cu ft, and Goplus 14 cu ft all allow this. This design lets you load cargo from either side of your vehicle.
What is the shortest hard shell roof box length?
The Yakima EXO GearLocker is the shortest at 23 inches wide and 60 inches long. It is designed for Yakima EXO system owners. Most other boxes range from 53 to 80 inches in length. Measure your roof space carefully before buying to ensure the box fits your vehicle.
Which hard shell roof box is the lightest?
The Relaxcabine 13 cu ft Dual-Side Hard Shell is the lightest at 27.8 pounds. The Yakima EXO GearLocker weighs 28 pounds, and the Auto Dynasty 11 cu ft is also very light. Lower weight can help reduce wind resistance and fuel impact while driving with the box installed.
Is there a hard shell box specifically for camping?
The Relaxcabine 13 Cu Ft Dual-Side Hard Shell is recommended for camping. It features dual-side access and straightforward installation. This box is practical for campers who value side access and moderate camping loads over maximum capacity. It is also lockable for secure storage during your trip.
What is the tallest hard shell roof box?
The Maxsa Innovations 17 cu ft Hard Shell Cargo Box is the tallest at 16.1 inches. The DNA Motoring 13 cu ft box is also tall at 16.3 inches. A taller box provides more vertical space for bulky items but may increase wind noise. Check your garage clearance before purchasing.
Are all hard shell roof boxes lockable?
Most listed boxes are lockable for security. The Yakima SkyBox NX XXL, DNA Motoring 13 cu ft, Relaxcabine 13 cu ft, and JEGS 18 cu ft are explicitly noted as lockable. Others like the GarveeTech 12 cu ft also include locking mechanisms. This feature helps protect your gear from theft.