Built from our high performance textured rip stop nylon and 600 polyester, end to end high grade zip main opening to massive storage compartment with covered storm flap, dual top compression straps, oversized panel webbing for extra strength and durability, zippered side accessory pocket, reinforced end grab handles, adjustable shoulder strap with expendition grade hardware, reuseable stuff pouch of bag storage as well as an internal packing accessory.