The Camelbak Octane XCT 70 oz. Hydration Backpack is perfect for moving fast and light. The waist belt provides extra stability and includes zippered pockets for easy access to essentials. 3D vent mesh helps keep you cool Adjustable sternum strap lets you customize the fit Ventilated adjustable waist belt with cargo pockets for easy access to essentials Front-facing pockets on harness for easy fuel and gear storage Crux reservoir delivers more water per sip, with an ergonomic handle for easier refilling Bite valve with on/off lever makes it easy to prevent leaks Tube trap keeps the tube secure and accessible when needed Reflectivity for early morning or evening runs Made with ultralight materials Lifetime manufacturer warranty against defects in materials or workmanship