Last piece avalaible,which does not have one part of the the chest belt but does not interfere in normal use. On the back there's a pocket for the 3-liter CamelBak (camelbak not included). On the front side there are two pockets, the lower (bigger) and upper (smaller), both zippered. It is possible to attach additional pockets (Molle system). Fastening straps located on the sides, front, bottom and the detachable waist belt. Dimensions approx. 50x36x20cm