600D polyester with latex rubber backing. Drop-in top zip pocket and huge main storage compartment. Quick stash zippered front pocket. Adjustable waist strap and quick release buckles. Quick release side compression straps. Heavy duty moulded rubber quick grab handle. Rubber feet for added protection. Heavy duty zippers and accessories. Zigzag power stretch bungee system doubles as front load compression. Fully padded and contoured back panel and shoulder straps.