This small hydration pack is perfect for short day trips on the bike or on foot and boasts a unique, innovative hydration system. Quick-release valves for drinking tube and pressurization tube for easy refill and bladder removal. Slide top for easy refill, cleaning and drying. Ergonomic fit shoulder strap with terraced overlay for adjustable tube configuration and power bulb configuration. I-Pod ready compartment with waterproof zipper garage. Internal storage compartments and organizer Heavy-duty nylon pack handle and vertical attachment hoops. Heavy-duty size 8 coil zippers. Removable waist strap. Industrial load disbursement cut and padding. Integrated slider chest strap. Plug & Play reservoir tube connector. PVC reinforced compression straps. Reflective tabs and zipper pulls. Eco Rig back pads. Air Drive ventilation. Weight: 1.20 Kg. Dry Capacity: 11L/ 500 cu. in. Bladder capacity: 70 oz.