As an Amazon Associate we earn from qualifying purchases. Affiliate disclosure

Mockins 84"x39"x5" XL Extendable Waterproof Review: Specs, Pros and Cons

Latest update:

As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.

This mockins 84 x39 x5 xl extendable waterproof review covers a roof basket designed for large loads. The carrier measures 84 inches long and supports up to 250 pounds. It mounts to crossbars on SUVs or cars. The set includes a 35 cubic foot waterproof bag. You get extendable rails for flexible sizing. This bundle aims to secure gear for road trips. It combines a steel basket with a soft bag. The design focuses on high capacity and weather protection. You can adjust the length for different cargo needs. It is a practical solution for extra storage space.

What stands out

  • Extends to 84 inches for maximum length
  • Supports a 250-pound weight capacity
  • Includes a 35 cubic foot waterproof bag
  • Built with rust-resistant steel construction
  • Features a 10-year warranty for durability

Who it fits

Good fit for

You should choose this roof basket if you need to haul bulky items like luggage, camping gear, or sports equipment. The 84-inch length and 250-pound capacity handle large volumes. It suits SUV and RV owners with crossbar systems. The extendable design lets you shorten the basket when full. The included waterproof bag protects contents from rain. You get straps and a net for secure loading. This setup is ideal for long road trips where space is tight inside the vehicle.

Who should skip it

You might skip this option if you prefer a hard-shell cargo box. This product uses a soft vinyl bag that requires separate storage when not in use. The 54-pound weight is substantial for solo installation. The basket height is only 5 inches, limiting vertical stacking. You need existing crossbars to mount it. If you want aerodynamic efficiency without a separate bag, look elsewhere. The open basket design exposes items to wind if not covered. It is not for vehicles without crossbars.

Verdict: This bundle offers high capacity and extendable rails for versatile hauling. It is a solid choice for those needing extra room on crossbars.

Key specs explained for you

Material: Steel

The basket frame is made of steel, which provides a rigid structure for holding heavy gear. This material offers strong support but adds significant weight to the carrier itself. You will need to ensure your vehicle's crossbars can handle the combined weight of the steel basket and your cargo without exceeding the roof's static load limit.

Weight Capacity: 250 lb

This carrier can hold up to 250 pounds of gear. This high limit allows you to transport bulky items like camping equipment or sports gear. However, you must always check your specific vehicle's roof rack manual. Many cars have lower dynamic weight limits than this basket can support, so the vehicle's limit is the true maximum.

Basket Dimensions: 84 x 39 x 5 in

The frame measures 84 inches in length, 39 inches in width, and 5 inches in side rail height. This large footprint provides ample space for oversized items. The 5-inch rails help keep gear from sliding off during transit. You should verify that your vehicle's roof width can accommodate this size without obstructing door clearance or visibility.

Mount Type: Roof-mount (crossbars)

This basket attaches directly to existing crossbars on your vehicle. It is not a standalone rack and requires a compatible crossbar system for installation. You will need to secure the basket using the included straps. This mount type makes it versatile for various SUVs and cars, provided they already have the necessary roof rack infrastructure installed.

Weight: 54 pounds

The total weight of the basket and included accessories is 54 pounds. This is relatively heavy for a roof carrier, which may affect fuel efficiency and vehicle handling. You will need assistance to lift it onto your roof. Consider whether your physical ability to load it safely outweighs the convenience of the extra storage space it provides.

Design and build details

The basket frame is constructed from steel, providing a rigid structure for heavy loads. This material choice supports the 250-pound capacity but adds significant weight. According to the listing, the unit weighs 54 pounds total, which includes the soft bag. You should verify that your vehicle's crossbars can handle this combined weight before installation. The frame features a protective coating to resist rust, and rubber-covered screws help prevent water seepage into the structure. This design aims to keep the carrier durable in all-weather conditions.

Dimensions are listed as 84 inches long, 39 inches wide, and 5 inches high for the basket itself. The bag adds height, bringing the total profile to 6 inches. This size offers 35 cubic feet of storage space, which is substantial for large SUVs or trucks. The basket is extendable, allowing you to adjust the length to 40, 63, or 84 inches. This flexibility lets you secure gear of varying lengths, from short boxes to long pipes. The aerodynamic wind deflector is included to reduce drag and noise at speed.

The finish is black and blue, with a soft-shell bag made from 840D vinyl. Reinforced seams and waterproof zippers with Velcro flaps enhance moisture resistance. The layout includes ratchet straps, buckle straps, and a cargo net with ABS hooks for securing items. A combination lock is provided for anti-theft protection. You mount the basket to any crossbar-equipped setup, making it versatile for various vehicle types. The carry bag allows for easy storage when the carrier is not in use.

Setup and everyday use

You mount this carrier to any crossbar-equipped roof rack. The steel frame is extendable, allowing you to adjust the length to 40, 63, or 84 inches. This flexibility helps you fit the basket to your specific vehicle width and load needs. The unit itself weighs 54 pounds, including the soft bag. You will need two people to handle the frame during installation due to its size and weight.

Daily use involves securing your gear with the included hardware. The bundle provides three buckle straps and three sets of ratchet straps. You attach these to the side rails to hold heavy items in place. An elastic cargo net with ABS hooks covers the top, keeping smaller objects from shifting during transit. A combination lock is included for the bag zipper, adding a layer of anti-theft protection for your valuables.

The 35 cubic foot waterproof bag shields your gear from rain. It is made from 840D vinyl with reinforced seams and waterproof zippers under a protective flap. You zip the bag closed and secure the Velcro flap to keep moisture out. The basket also features an aerodynamic wind deflector to reduce drag and noise at highway speeds. Rubber-covered screws help prevent water from entering the frame joints. You can store the entire set in the included carry bag when not in use.

Check compatibility and upkeep

You must verify that your vehicle’s crossbars can support the combined weight. The basket itself weighs 54 pounds, including the soft bag. With a 250-pound capacity, the total load on your roof rack will be significant. Ensure your factory or aftermarket crossbars are rated for this dynamic weight. You also need to check the width. The frame extends to 84 inches, but it also shrinks to 40 inches. This adjustability helps fit narrower vehicles, but you should measure your roof space carefully. Upkeep involves rinsing the steel frame after muddy trips to prevent rust, despite its protective coating. The 840D vinyl bag requires occasional cleaning to maintain its waterproof seal. This carrier suits those who need maximum volume. If you prefer a more aerodynamic hard shell, this open basket may not be your best choice. It is a practical solution for bulky, irregular items that do not fit in standard roof boxes.

Check before you buy

  • Verify crossbar weight rating for 250 pounds plus basket weight.
  • Measure roof width to ensure the 84-inch length fits or adjusts down.
  • Confirm crossbar shape matches the basket’s mounting clamps.
  • Check if your vehicle height allows clearance for the 5-inch rails.

The product at a glance

Mockins 84"x39"x5" XL Extendable Roof Basket

Best for: Adjustable storage on SUVs and large vehicles

Mount Type
Roof-mount
Weight Capacity
250 lbs
Basket Dimensions
84"x39"x5"
Material
Steel
Vehicle Type
Car, SUV, Truck
Includes Bag
With Bag

View on Amazon: Mockins 84"x39"x5" XL Extendable Roof Basket Affiliate link

This Mockins roof basket extends from 40 to 84 inches, offering versatile length adjustments for various vehicle sizes. It features a 250 lb weight capacity and includes a 35 cubic foot waterproof bag made from 840D vinyl. The steel construction is rust-resistant, and the set comes with straps, a cargo net, and a lock. It suits those needing adaptable storage for SUVs or large cars.

Pros

  • Adjustable length of 40, 63, and 84 inches
  • 250 lb weight capacity for heavy loads
  • 35 cubic foot waterproof bag with abrasion-resistant material
  • Includes cargo net, straps, and combination lock

Cons

  • Total weight of 54 pounds is substantial
  • 5-inch side rail height limits high-profile items
  • Requires crossbars for mounting installation

Good fit if

  • You need to adjust cargo length for different trips
  • You transport bulky gear that exceeds standard basket sizes
  • You want a complete kit with straps and a lock

Skip if

  • You prefer a lightweight carrier under 30 pounds
  • Your vehicle lacks crossbars for mounting
  • You need a rigid box with higher side walls

Verdict: Mockins 84" XL Extendable Steel Roof Basket provides adaptable storage for large loads. It fits drivers who need to secure bulky items on SUVs or cars with crossbars.

Specifications side by side

Spec Mockins 84"x39"x5" XL Extendable Roof Basket
Mount Type Roof-mount
Weight Capacity 250 lbs
Basket Dimensions 84"x39"x5"
Material Steel
Vehicle Type Car, SUV, Truck
Includes Bag With Bag
Dimensions 84 × 39 × 6 inches
Weight 54 pounds
Size 84"x39"x5" - 35 Cu.Ft. Bag
Color Black/Blue
Model MA-RC-84X39-35BLU-92

Frequently asked questions

Does the Mockins 84x39x5 roof basket come with a waterproof bag?

Yes, the package includes a 35 cubic foot waterproof soft bag. This bag fits inside the steel frame to keep your gear dry during rain. It allows you to store items securely while protecting them from the elements. The bag is designed to complement the extendable metal structure for versatile cargo management.

What are the exact dimensions of the Mockins extendable roof basket?

The basket measures 84 inches in length and 39 inches in width. The height of the frame is 6 inches. These dimensions allow the carrier to extend to fit various vehicle widths. You can adjust the length to suit your specific SUV or car roof rack setup.

How much does the Mockins 84x39x5 roof basket weigh?

The total weight of the unit is 54 pounds. This weight includes both the steel frame and the included waterproof soft bag. You should consider this weight when calculating the total load on your vehicle. It ensures you stay within your car's roof rack weight limits.

Is the Mockins roof basket suitable for large SUVs?

Yes, this carrier is best for adjustable storage on SUVs and large vehicles. Its extendable design allows it to fit wider roof racks common on larger cars. The 84-inch maximum length provides ample space for bulky items. It is ideal for drivers needing adaptable storage solutions for family trips.

What color options are available for the Mockins roof basket?

The Mockins 84x39x5 model is available in a Black/Blue color scheme. This combination offers a discreet look that blends with most vehicle exteriors. The steel frame provides durability, while the color choice adds a subtle style element. Check the specific listing for current availability of this color variant.

Can I use this roof basket on a car without crossbars?

No, you must have crossbars on your vehicle to mount this carrier. The steel frame is designed to attach securely to existing roof rack crossbars. It does not include feet for bare roof mounting. Verify that your car has compatible crossbars before purchasing to ensure proper installation and safety.

See also