UNIVERSAL FIT: Compatible with clips, hooks, and loops to fit a wide range of vests and packs including Salomon, Nathan, Osprey and CamelBak. EASY FILL & LOADING: Slide-Seal top opens extra wide, making it easier to fill and soft-touch flexible tab allows for quick, easy loading in and out of packs or vests. ULTRALIGHT: Lightweight TPU material and minimalist features make the Velocity our lightest weight reservoir. HIGH FLOW: The water reservoir is equipped with our flexible, non-kinking drink tube and the high-flow, self sealing Comet valve - It’s leak proof and perfect for handsfree hydration. EASY TO CLEAN: 100% BPA free, the water reservoir is fully reversible and top-rack dishwasher safe.