Hydro Flask

Unbound Soft Cooler Pack

Color: Mist
Can't find your preferred size or color? More options are available at REI.com.
The nitty gritty


  1. Advanced Thermal Mapping insulation in the bottom back and top delay conductive temperature loss
  2. Aquaseal® zipper and welded seams ensure leakproof transport
  3. FDA-food-grade BPA-free liner is free of toxins and easy to clean
  4. Compression-molded base allows the pack to stand on its own
  5. Comfortable carry handles; multiple gear pockets
  6. Welded nylon attachment mounts
  7. Designed to be lightweight Smart Insulation keeps your items cold for up to 48 hrs.
  8. Interior dimensions: 11.6 x 6.75 x 15.9 in.

Technical Specs

  1. Weight3 pounds
  2. Best UseCamping,Casual
  3. Dimensions19.25 x 12.75 x 8.5 inches
  4. Weight (g)1110 grams
  5. Cooler TypeSoft-sided,Backpack
  6. Material(s)600-denier polyester with TPU coating
  7. Gear Capacity (L)22 liters
  8. Gear Capacity (cu. in.)1 350 cubic inches