Key Features Capacity: 3 liters, offering enough room for essentials like a phone, wallet and keys. Carry Options: Can be worn as a waist pack (fanny pack) or as a crossbody sling. Material: Built from durable, 100% recycled nylon and polyester with a TPU-coated front for weather resistance. Organization: Features a large main compartment with a clamshell-style opening for easy access, plus internal mesh pockets for organization. Travel Integration: Specifically designed to fit into the top pocket of Allpa 35L and 42L backpacks, making it an ideal "essentials" pouch during long transit. Comfort: Includes a butterfly-style wing design for a stable, comfortable fit against the body and a tuck-away hip belt. Cotopaxi Allpa X 3L Hip Pack