Dakine Mens Apricot Syncline 12L Hydration Mountain One Size Bike Backpack - 10002388-APRICOT. The men's Syncline bike hydration pack is sized for everyday riding. The 12-liter pack has just the right amount of storage space for essential tools snacks and layers plus a lumbar reservoir that keeps the load low and stable. Our proven Air Flow backpanel and shoulder strap designs deliver breathable comfort. Limited Lifetime Warranty 3L / 100oz Hydrapak® lumbar reservoir w/ quick disconnect High-flow Blaster bite valve w/shut-off Magnetic hydration 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 Mesh side pocket Internal organizer pockets Safety light attachment Integrated rescue whistle