
The Camelbak Mule 3L 2011 Hydration Pack is the original in hands free hydration systems & the original narrow gauge pack for 3+ hours of mountain bike action. It integrates increased cargo capacity with lighter fabrics & the secure XC helmet carry. The Mule hydration pack is easy to fill, easy to clean, & with the Air Director ventilated back panel, it will keep you cool whatever the weather.