Large main compartment with gear tie-down straps; Detachable exterior compartment can be used as backpack or sling pack; Two detachable accessory pouches; Open-top quick access stash pocket; Detachable rain cover; Three reinforced grab handles; Body contour shoulder straps with sternum strap; Removable waist belt; Detachable exterior compartment can be used as backpack or sling pack; Individual foam pad back panel for extra comfort and maximum airflow