2L Crux reservoir with Quicklink system. Lightweight 50D recycled nylon mini ripstop is built for speed and strength. Air Support Back Panel - Body Mapping technology provides maximum ventilation. Command Center harness secures and accesses phone keys and more. Ventilated harness is lightweight and breathable. Secure zippered pocket and stretch overflow pocket. Helmet carry. Adjustable sternum strap. Tube trap. Reflective points. Repurpose Gold Sustainability Badge: Made with recycled materials. Torso fit range: 15" - 21". Gear capacity: 5-liters.