The S.T.O.M.P. II Medical Back Pack from BLACKHAWK! features adjustable shoulder straps, sternum strap and an adjustable web belt for an outstanding fit that's comfortable over the long haul. It's made from heavy duty 1000 denier nylon and all of the padded areas have closed cell foam padding. The YKK zippers have our silent pulls and grommets are provided for excellent drainage. The compressions straps allow you to adjust, and balance your load. The STOMP Medical Backpack was designed to SEAL team medic specifications. It's hydration compatible and can carry two 100 ounce hydration reservoirs. Hydration bladders are not included and are sold separately. It has multiple side, upper and lower pockets and includes two drop pouches for additional capacity. Take the health safety and welfare of those you know and love seriously. Get the STOMP II Medical Backpack from BLACKHAWK!