The STOMP II was designed to SEAL team medic specifications. All material is made of heavy duty 1000D NyTaneon. All padded areas are closed cell foam. The adjustable shoulder straps, sternum strap and adjustable web belt make for a comfortable fit. Cinch straps are included for sides and top to maintain load integrity during stress maneuvers. All of our zippers have our HawkTabs. Grommets are provided for drainages. Like all of our bags, the STOMP II is HydraStorm compatible and has the BlackHawk Tube Routing system. IVS foam back panel. Internal features: Outside flap has two netted, zippered, flat pockets. The next flap going in has several elastic stays, one large zippered pocket, and four medium open pouches. The next flap consists of a zippered pocket with a netted flat pocket with two zippered openings, several small pockets and several elastic keepers. The last flap has two pockets containing a color coded removable bag (one in each pocket). Pouches for two HydraStorm Hydration systems. External features: Adjustable shoulder straps, web belt, and sternum strap. Paracord drop pouches so you can dangle the pack below your parachute and let it hit first so you don't break your legs. Two grab handles are attached to the outside flaps for picking up in a hurry. They also double as drag handles. Hook and loop strip located on the back panel for attaching marker panels and other items. Inside panel is padded with closed cell foam. Alice attachment webbing is sewn to the underside of the pack. Grommets are on the bottom for drainage. Cinch straps are included for the sides and top to maintain load integrity during stress maneuvers.