The Platypus B Line Hydration Pack is a Cross Country pack designed specifically for female bike riders who love long rides and flowing singletrack. The premium 2 L Big Zip Reservoir features a low profile shape and a wide mouth opening that locks securely. Shoulder straps and back panel are designed to fit a wide range of body types and promote airflow in all riding positions. Storage pockets and pump sleeves put all bike tools, food and keys within easy reach. It's the ultimate cross country pack, combining a female tailored suspension with XC features. 2 L Big Zip Reservoir Hydration Pocket with reservoir suspension hooks Ventilated Suspension designed for female riders Pump sleeves and tool pockets External stuff pocket Helmet and accessory lash points make it easy to transport helmets and pads Light loop Magnetic hydration hose retention Waist belt pockets Number of Pockets: 6 Material: 210D PU Coated Diamond Ripstop Nylon, 210D PU Coated Oxford Nylon, YKK Zippers Size: na Weight: 1 lb. 7 oz. Pack: 1 lb. 1.8 oz Reservoir: 5.5 oz. Capacity: 490 cu. In.