The fully padded waist belt and side compression straps let you carry your gear easily and comfortably. There's also a "belt sleeve" in case you want to stow the waist belt and carry the Montauk as a shoulder bag (accessory shoulder carry strap included). Fabric: Nylon Ripstop. Capacity: 400 cu. In. Dimensions: 7" x 10.5" x 4".