Tactical backpack is customized for the solider and outdoor enthusiast. We selected waterproof and durable polyester Oxford cloth and nylon molle system, as well as good quality zipper and buckle. Material: Polyester Oxford cloth, it is waterproof and durable cloth for comfort and wear resistant, with sponge mesh design on the back and shoulder straps could help the soldiers getting effient thermal dissipation. Molle system for hanging gadgets and small accessories.