This mid-sized, frameless backpack features a detachable sternum strap and padded, removable waist belt for extreme versatility. The inside features a main compartment, small cargo pouch, and cargo pocket pouch to fit an optional 100 oz. BLACKHAWK! Hydration System. Constructed of heavy-duty 1000 denier nylon Compatible with BLACKHAWK!® Hydration System Sleeping bag straps and padded shoulder straps with D-rings for equipment attachment Detachable, elasticized sternum strap with silent release buckle Compartments are closed by durable YKK® zipper and sliders with silent pulls Ventilating back panel and silent zipper pulls Dual side-detachable, padded waist belt Reinforced drag/carry handle