The Blackhawk 3-Day Assault Pack is a uniquely designed mid-sized frameless back pack. It has a padded back, padded removable waist belt. The pack has a main compartment, smaller cargo pouch and cargo pocket. This 3-Day pack also comes with sleeping bag straps. Padded shoulder straps with D-rings for equipment attachment- detachable, elasticized sternum strap with silent release buckle and compartments are closed by YKK zippers and sliders with silent pulls.