10 Best Foldable Backpack 2026 in the United States

The YETI Hopper M20 Backpack is designed as a soft-sided cooler that doubles as a backpack, making it a great choice for outdoor activities like camping, fishing, and hiking. It holds up to about 15 pounds of contents, which is enough for a day trip or small group. The cooler uses ColdCell insulation with polyurethane foam, which helps keep your food and drinks cold for hours, while the DryHide shell made of tough nylon resists punctures and UV damage, adding durability.

It features a unique magnetic closure called MagShield Access that is leak-resistant and easy to open and close, which is handy when you're on the go. The kangaroo pocket on the outside is convenient for storing smaller items like your phone or keys. Its dimensions (8"D x 17"W x 16"H) suggest it's compact enough to carry comfortably, aided by multiple carry handles and a backpack design for better comfort. This is mainly a cooler backpack, so it may not have many compartments for organizing non-food items beyond the accessory pocket.

While water resistance is strong due to the shell and leakproof liner, it’s not fully waterproof for heavy rain. The YETI Hopper M20 is a durable, insulated cooler backpack that keeps contents cold and is easy to carry, making it an excellent choice for outdoor enthusiasts who prioritize cold storage and rugged construction over extra compartments or ultra-light weight.

The YETI Hopper M20 Backpack is a high-quality soft-sided cooler designed for outdoor activities like boating, camping, fishing, and hiking. It offers a roomy 2741.61 cubic inches capacity, enough to carry several beverages or meals for a day trip. The bag is made from a durable DryHide high-density fabric that resists punctures and UV damage, making it tough enough for rugged use. Its ColdCell closed-cell foam insulation keeps contents cold for hours, which is a strong point for anyone needing reliable temperature control.

The MagShield Access system makes opening and closing easy while maintaining a leak-resistant seal, adding to its convenience and function. The exterior kangaroo pocket provides quick access to essentials like your phone or keys, which is a thoughtful addition. This backpack cooler does not compress to a very small size when empty, so it might be bulkier to store than some ultralight foldable backpacks.

This product excels as a portable, tough cooler backpack with excellent insulation and weather resistance, making it ideal for users prioritizing cold keeping and durability over compact foldability or hiking-specific comfort.

The Kelty Journey PerfectFIT Signature 26L Backpack is designed as a child carrier rather than a typical foldable backpack, so it suits parents needing a comfortable way to carry their kids on hikes or walks. It offers a decent capacity for a child carrier, with a maximum recommended weight of 40 pounds, and includes large zippered pockets plus stretch compartments to hold essentials like toys and extra clothing.

The build uses plastic materials, which might not feel as durable or flexible as fabric backpacks, and the product weighs about 7.1 pounds—heavier than a standard foldable backpack due to its sturdy frame and safety features. It includes useful comfort features like the adjustable PerfectFIT suspension system, padded roll cage, and multiple grab handles to make carrying easier and safer for both parent and child. The integrated sunshade and 5-point safety harness are thoughtful additions for safety and convenience.

Because it focuses on child transport rather than portability or folding, this carrier may not pack down small or light like a typical foldable backpack. It is ideal for parents who prioritize safety and comfort when carrying young children outdoors, but it is less suitable if you want a compact, foldable pack for general use.