Ultimate Direction Women's Wink Hydration Backpack (Cyan) 64oz/1.9L Reservoir Included Weight 1 lb. 4oz/567g 375 in3/6.15L 3D AirMesh back panel and shoulder straps for optimal ventilation Top-loading reservoir pocket w/ hanger Top pocket Zippered front pocket Two front mesh pockets attached to shoulder straps Zippered pocket on lower right front strap Multi-use pocket with bungee closure on lower left strap Mesh pocket on back