CamelBak Mil-Spec Crux Accessory Reservoir 50oz/1.5L. Because we never stop innovating. Our Crux reservoir delivers 25percent more water with every sip in a pack loaded with the latest in hydration technology. Features of CamelBak Mil-Spec Crux Accessory Reservoir With 25percent more water per sip the new Mil Spec Crux reservoir helps you stay hydrated longer Purpose-built reservoir so you can stay hydrated longer Quick Link Hydrolock: Easy one-handed on/off water flow with Quick Link modularity Hydroguard Technology: Inhibits growth of bacteria on reservoir and tube surfaces Insulated Tube Cover: Maintains water temperature and protects the tube from harmful UV rays Angled Exit Port: Optimized for attachment on in-line purifiers and accessories Self-Sealing Bite Valve: Self-seals after each drink to eliminate drips Easy Open Cap: Keeps your drinking port clean and leak-proof Ergonomic Fill Handle: For comfortable easy filling Package Contents: CamelBak Mil-Spec Crux Accessory Reservoir CamelBak 2053001015: Mil-Spec Crux Accessory Reservoir 50oz/1.5L