The Outskirt 35 is perfectly sized for day hiking and exploring across new boundaries. The large zippered compartment provides easy access to additional layers while the airmesh shoulder straps and back panel keep you cool on the uphill. Keep your phone or snacks in the front stash pocket and stay hydrated all day with hydration bladder compatible sleeve. Features Ideal size for day hiking Large zippered access to main compartment Front stash pocket Hydration compatible Airmesh shoulder straps & back panel Materials Primary fabric: 600D Polyester Oxford Secondary fabric: 420D Polyester Small Back Stafford Specs Volume: 2136 in3 / 35L Height: 23.0" / 58.0 cm Width: 17.0" / 43.0 cm Length: 10.0" / 25.0 cm | Kelty Outskirt 35 Backpack Fanny Pack