Enjoy the freedom of hands-free hydration with theCamelbak Big Bite Valve! Hydration is integral, it boosts performance and keeps your body from burning out, but there's nothing worse than having to constantly stop to replenish lost fluids. Camelbak's patented Big Bite is simple to install and created from durable materials in a simple, yet effective one-piece design, resulting in a longer life, better performance and increased durability. Simply put the valve in your mouth, gently bite down and sip, it's as simple as that. There's no need to stop and no need to even take your hands off the bar. Once you've replenished all you have to do is release the valve from your mouth which self-seals to eliminate irritating drips and leakages ... More info