The Camelbak Ratchet Hydration Pack is the lightest CamelBak bike pack with the most hydration capacity—its 3L Crux reservoir will fuel rides of 3+ hours. With a small zippered pocket for essentials and a stretchy overflow compartment for layers, this pack gives you an efficient way of hauling the bare necessities for a long ride, whether you’re on pavement, trail, or gravel. Camelbak Ratchet Hydration Pack Features  The brand new Crux delivers 20% more water per sip, with an ergonomic handle for easier refilling, and an on/off lever that makes it easy to prevent leaks Breathable air mesh back panel for a lightweight, comfortable fit Integrated tool organization keeps your tools organized Ventilated harness for comfort and breathability Stretch overflow storage compartment lets you easily stash a rain shell or extra layer Reflective accents for visibility in low-light environments Removable stability belt helps to keep pack secure over technical terrain