"Expedition backpackers, take note -- the Alpamayo line from Lowe Alpine offers load-carrying capacity with exceptional comfort. Ergonomic AirCooled™ padded back panel and shoulder straps, Crossbow™ load compression system and APS®9 adjustable back harness. Main compartment access with top drawcord and convertible waistpack lid. Two compartments with zip-out divider, tool loops and wand pockets, hydration system pocket and port. Noggin Notch®. Nylon. Fits torsos 17-22"". 4300 cu.in. 6 lb. 13 oz. Closeouts. Vietnam."