CRUX Reservoir with Quicklink system. Air Support Pro Back Panel - ventilated areas with breathable mesh. 3D Vent Mesh Harness. Hip Belt with cargo. Helmet carry stows and secures. Integrated tool roll. Adjustable sternum strap. E-Bike battery sleeve - secures a second battery. Stretch overflow pocket. Cargo compression. Reflectivity for low light safety. Armor carry stores knee and elbow pads. Hydration capacity: 3-liters 100oz. Gear capacity: 11-liters 670 cubic inches. Waist belt: 30" to 50". Torso fit range: 17" to 21".