U.S. Military Surplus Molle (Modular Lightweight Load-Carrying Equipment) II Rucksack. A great bag for hiking or as a bug-out-bag.  Durable, roomy and water resistant. Frame is made out of a thick impact resistant plastic. Also features: sternum straps, shoulder straps w/ quick-ditch buckles, hip belt, barrel lock drawstring closure w/ quick release Fastex buckles, over-sized zippers and (2) removable sustainment pouches.