Everything you crave for the everyday trail. Lightweight and durable materials. Ventilated harness for cooling and breathing ability. 7L Capacity. 2L Crux reservoir with Quicklink disconnect. Secure zippered pocket great for keys phone etc. Stretch overflow pocket for quick stash or hold extra clothes. Reflectivity for low light security. Stow and secure helmet. Loop to clip on flashlights. Tube trap management. Elastic pump loop. 15" to 21" Torso fit range.