Soft Roof Cargo Box Guide

If you don’t have enough room in your car for all of the belongings that you want to bring with you on a road trip, then you’ll want to consider buying a roof cargo box to expand your storage space. 

The best soft roof cargo box not only will allow you to bring with you all of the items that you need, but will also offer a number of other benefits, as well, making them a great choice rather than traditional hard boxes. 

Soft roof boxes can easily fold flat for storage when they are not in use, which ensures that they don’t take up too much space in your garage.

Soft cargo boxes offer the same level of waterproofing so that your belongings don’t get wet and can more easily accommodate items that are larger or have strange shapes. 

Because they are generally very lightweight and easy to use, it’s easy to see why so many people opt for soft roof boxes instead of traditional harder boxes when shopping for more space for their vehicle.

Soft Roof Cargo Boxes - The Details

Rightline Gear 100S30 Sport 3 Car Top Carrier

This soft roof box has been specifically designed for use on SUVs and on minivans and is an affordable option if you are only going to be using the roof box a few times a year and don’t want to overspend.

With 18 cubic feet of storage space, you will have all of the room that you need to store your belongings when you are on the road, and since you have a few options to attach the roof box to your car, attaching it is easier than ever. 

You can attach the straps of the roof box to your roof rack or opt to use car clips to attach it to the weather molding on the door frame.

The dual seam technology ensures that nothing inside will get wet when you are on the road, and even the zipper has been specifically designed to prevent water from entering the bag. Thanks to the large capacity of this roof cargo box, this is an ideal option if you have a larger family or struggle with what to bring on road trips.

REESE Explore 1391800 Expandable Rainproof Car-Top Carrier

One really neat feature that this soft car box has that some others on the market do not is that it can actually expand from 12 cubic feet to 16 cubic feet if you need additional storage space for your items while you are on the road.

This is great, as your roof cargo box will be much more structurally sound when it is full, so you can adjust the size of your box depending on how much cargo you are going to carry. The rainproof material used in construction can withstand sun, dirt, dust, wind, and rain without being damaged or allowing your cargo to get wet or damaged.

Additionally, when you are not using this roof box, it folds flat easily and can be stored out of the way in your garage. Attaching it to your car is simple, as it can fit on roof racks, crossbars, and even raised side rails. Unlike some soft roof boxes that are only used on larger trucks, vans, and SUVS, this is a great option for many cars as well.

RoofPax Car Roof Bag

Part of the benefit of this soft roof cargo box is that you don’t have to have a roof rack on your car to secure it to your roof and use it to transport your belongings.

This roof bag features four door hooks instead of simply relying on inside car straps to secure the box to the roof of the car. The door hooks are much safer and will not put you and your passengers at risk of obstructed air bags if you are in an accident. 

Made from military quality waterproof material, you won’t have to worry about anything getting wet when you have it stored in this bag. With 19 cubic feet of storage area, it’s easy to see why this is a favorite option among larger families who spend a lot of time on the road. 

There is a lifetime warranty on tearing or breakage of zippers and buckles and a five-year warranty on the straps and stitches of the bag, which will give you peace of mind knowing that you are purchasing a durable and reliable roof cargo box.


This is a solid contender for the best soft roof box thanks to the sturdy design and construction, as well as the superior protection that it offers all of your cargo when you are on the road.

Not only is this roof box able to be compressed and folded when it is not in use, but the flexible material is designed to withstand damage from sun, grit, rain, snow, and even wind.

The eight tie straps ensure that your roof box won’t fall off when you are on the road, and you can rest easy knowing that you can easily and securely attach the box to your rack railings.

This soft roof cargo box can hold up to 200 pounds of weight, which means that you can pack most any type of cargo inside the bag without worrying about accidentally damaging the stitching or the material.

The zipper lining is shielded 360 degrees, which means that it is almost 100% impenetrable and can easily stop water from getting inside when you are on the road.

Mockins Waterproof Cargo Roof Bag Set

This soft roof bag comes with a protective car roof mat so that you don’t have to worry about the roof of your car getting scratched or damaged. 

It also has four heavy duty straps that are designed to secure the roof box to the top of your car, as well as two additional ratchet straps to ensure that the roof box is secure and tightly packed.

Since this bag is made from vinyl that resists abrasion and can stand up to extreme weather without being damaged, you never have to worry about the safety or condition of your belongings when you are on the road.

Once your belongings are all packed in this roof box, you can use the included storage bag to ensure that you enjoy the best protection. As long as you have a roof rack already installed on the top of your car, you can easily attach this roof box to the top of your vehicle and get on the road right away. 

Additionally, you can rely on the lifetime refund or replacement warranty if you have problems with quality. 

Rabbitgoo Rooftop Cargo Carrier

This roof box offers an additional 15 cubic feet of storage space when you are going to be on a road trip and is incredibly easy to install on the top of any vehicle that has a roof rack.

The eight included straps are all reinforced and incredibly strong so that there isn’t any possibility of them breaking or fraying when you are on the road.

Additionally, this roof box installs quickly so you don’t spend a lot of time worrying about whether or not your cargo is secure. The extra long flaps over the zippers help to not only protect the zippers and ensure that they last a long time, but also ensure that the bag can resist water damage.

The durable cover on the bag is designed specifically to resist grit, sun, wind, and rain, but isn’t so tough that it won’t easily fold to a compact size when you are ready to store your box. At just over 6.5 pounds, this soft roof box is lightweight enough to handle on your own.

BougeRV 15 Cubic Feet Rooftop Cargo Carrier

Because this soft roof box is made from a material that is five times more durable and rugged than nylon oxford, you don’t have to worry about accidental leaks when you are on the road. 

The waterproof zippers, Velcro flaps over the zippers, and durable material all work together to offer all of the protection that you want for your cargo. 

Rely on the eight security straps to easily attach this soft box to your roof rack. Since you can adjust the straps each time you use the box, you can make sure that it is firmly mounted and won’t wiggle or wobble when you are on the road.

Even though this soft box offers 15 cubic feet of storage space, it folds down neatly and stores in a compact and portable handbag, which allows you to not only easily store it out of the way in your garage, but also ensure that you can take it with you wherever you go. 

The straps attach to reinforced patches on the surface of the box so that as you tighten the bag you don’t have to worry about damaging the material.

Keeper 07204 Black Premium Waterproof Cargo Bag

This cargo bag is ideal for use on smaller cars, as well as SUVs, and will instantly provide you with an additional 15 cubic feet of storage space. 

The soft sides will easily flex and bend to accommodate loads with odd shapes, but due to the quality of material used, you don’t have to worry about any of your cargo accidentally damaging the material or poking a hole in the side of your new roof box.

While attaching this roof box to a roof rack with across, as well as side, bars will offer you additional stability, it can be used on a roof rack that only has across bars.

The included straps are already attached to the bag, which means that you won’t have to worry about accidentally losing them when your bag is not in use. This means that they are significantly easier to use, as they are already in the ideal space on your bag for secure it tightly and correctly.

STDY 20 Cubic Feet Rooftop Cargo Top Carrier Bag

The fabric used in the construction of this bright blue and black roof bag is anti-rip, anti-crack, and anti-peel, so you never have to worry about it being damaged when it is left out in harsh weather conditions.

Not only does this soft roof box withstand bad weather easily, but it looks great and is designed to be a little more aerodynamic than some other soft roof box options available online. 

This means that you don’t have to worry about your gas mileage being as negatively affected. This bag attaches easily to the roof rack on most any car, van, or SUV, which means that you can easily take your extra cargo with you on any trip. 

The nylon straps are incredibly durable and feature strong buckles that won’t break or crack, even when left out in the hot sun. This bag offers 20 cubic feet of extra storage space, which is significantly more than what other soft roof boxes offer. 

Finally, when you are not using the soft roof box, you can fold it down and store it in the portable bag.

WEIPA Waterproof Rooftop Cargo Carrier

This soft roof cargo box is made from a durable and waterproof tarpaulin that is incredibly rugged. 

The triple sewn straps are very thick and wide so that you don’t have to worry about your cargo shifting on the roof when you are on the road, and the exclusive clasps will keep all of your belongings steady when you are driving.

Unlike hard roof boxes that can be difficult to store due to their larger size and the fact that they don’t compress, this soft box rolls up and can be stored out of the way when it is not in use.

Not only does this soft roof box attach securely to your car roof thanks to the eight tie straps, but it is also very easy to secure to your roof rack. Since the straps are built-in to the roof box, you never have to worry about losing them and you won’t struggle with attaching them to the right area on your bag.


As you can see, there are a number of different soft roof cargo boxes on the market that are sure to meet your needs and make your next road trip even more enjoyable. 

When you buy the right roof box for you and your family, you won’t have to worry about whether or not you will have all of the room that you need inside your vehicle, as you can easily store some items on your roof. 

Choosing the best soft roof box for your family is important so that it will be the size you need, offer the features that you want, and will be easy for you to attach and remove from your car whenever you head out on a road trip.

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