"Alps designed this daypack with the trail runner in mind, with superior ventilation, lightweight materials and comfort for all-day expeditions.Double-stitched, taped seams.Arch mesh frame Air Cool back system.Padded, adjustable shoulder pads and waist belt (waist belt has two pockets).Upper front mesh pocket.Side bottle pockets. Bungee cord storage.Zippered, gusseted front pocket.Hydration compatible (bladder not included).2400 cu. in., 2 lb. 7 oz.Nylon.Closeouts. China."