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 lowered center of gravity. The organizer pocket offers a home for tools, replacement parts and necessities. Additional features include spine protection compatibility, external helmet carry, and deployable straps to carry pads. Dimensions: 20 x 10 x 7 [ 51 x 25 x 18cm ]. 3L / 100oz Dakine x Hydrapak® 3D lumbar reservoir w/ quick disconnect. High-flow Blaster bite valve w/shut-off and magnetic hose clip. Breathable Air Flow backpanel and shoulder straps. DK Impact CE-certified Spine protector compatible (not included). Front helmet attachment loops. Deployable armor carry straps. Fleece lined sunglass pocket. Dual side pockets. Internal organizer pockets. Safety light attachment. Integrated rescue whistle. Limited Lifetime Warranty. Weight: 1.7 lbs. [ .8kg ]. Volume: 976 cubic inches [ 16L ].