2017-07-06 Assault Backpack Outshell: 100% nylon 1000Denier material or 600D polyester oxford, PU or PVC coated, water repellent Lining: 210D nylon oxford for waterproof Webbing: 100%high strengh nylon or PP webbing Buckles: D-flex or heavy duty buckles Extra strenth 100% polyester thread in every inch there