Drafter 10L Bike Hydration BackpackA new take on the classic 10 liter bike hydration pack. Our classic Drafter 10L bike hydration pack has been updated to deliver the performance demanded by modern mountain bikers. A newly introduced frame saves weight and increases comfort and breathability. An added quick stash on the shoulder harness offers intuitive storage for sunglasses, and a magnetic hydration buckle with a three liter Hydrapak lumbar reservoir delivers convenience and a