High Sierra Diplomat Lumbar Pack (Black, Tungsten) Top-load lumbar pack with two main compartments; one compartment has a key fob and D/MP3 player pocket with PVC headphone port. Adjustable/detachable shoulder strap. Dual-side mesh water bottle pockets. Equipped with two BPA-Free Tritan 500ml shatter-resistant bottles. Hinged front pocket adjusts to hold a helmet or other gear. Tuck-away waist belt, with webbing keepers, adjusts to fit waist sizes 24 to 55 inches. Vapel mesh Airflow padded back panel and waist wings wick body moisture and provide superior comfort. Adjustable compression straps secure gear. Reflective loop holds bike LED blinker. Impact- and freeze-resistant hardware performs well in adverse conditions. Size: 12.0" x 9.5" x 3.0" Capacity: 550.0 cubic inches Weight: 2.35 lbs. Materials: Grid-Weave Duralite, Mini-Weave Duralite, 600-Denier Duralite