Reinforced ripstop nylon and 600D polyester with latex rubber backing. Huge end to end zippered main compartment with high grade zipper and covered storm flap. Dual top compression straps. Oversized panel webbing for extra strength and durability. Zippered side accessory pocket. Reinforced end quick grab handles. Detachable/adjustable padded shoulder straps. Reusable stuff pouch for bag storage as well as internal packing accessory. Heavy duty oversized zippers and accessories.