Zippered main compartment has zippered hanging pocket and bright yellow lining for visibility; also features a zippered front panel pocket * Removable shoulder strap with a sliding pad, tuck-away waist belt and air mesh foam back panel * Delta Compression System load adjustment with two compression straps * 2 water bottle pockets that accommodate 32-ounce water bottles; reflective highlights * Made from 100 percent recycled plastic water bottles; four water bottles make each bag