The Quick Grip Podium 21oz bottle comes fully insulated with a ChillJacket bottle pack to keep that much needed water nice and cool on long hot training runs. HdydroGuard™ prohibits the growth of bacteria, zippered pocket for keys, and 100% BPA-free. Camelbak is the founder of hands- free hydration systems. Although developed originally for cyclists Camelbak was quick to realize the need for hands- free hydration across many outdoor sport and recreation enthusiasts.