Description of Backcountry Access Stash Backpack w/ 70 oz Reservoir Lift-access and out-of-bounds skiing Features: 1150 cu in/16 liters 70oz/2-liter reservoir 210 micro diamond rip Stormproof zippers Internal shovel/probe pockets Diagonal ski mounts Low profile/chair-friendly No external straps or hoses Weight: 26oz/737g