When you need a single day hydration pack with plenty of storage for gear, the CamelBak Sparta™ 3L/100oz Mil Spec Crux is the perfect solution. This meticulously engineered day pack can carry 3L of water and still have plenty of space for clothing, maps, flashlights, field books, radios, and more. With innovative features like the integrated Quick Link™ Disconnect System, multiple drinking tube exit ports, and heavy-duty 500D CORDURA. fabric that can take a beating, you can take this daypack anywhere you go. CamelBak's exclusive Low Rider™ lumbar carry design and adjustable stow-away sternum and waist straps make the CamelBak Sparta™ 3L/100oz Mil Spec Crux one of the most ergonomic hydration packs on the market.