Air Support Back Panel with Body Mapping Technology for maximum ventilation. Side cargo pockets and compression straps. Removable Waist Strap: Added stability when you need it. Secure Phone Pocket with zipper closure. Trekking Pole Carry: Easily remove or

Details Air Support Back Panel with Body Mapping Technology for maximum ventilation. Side cargo pockets and compression straps. Removable Waist Strap: Added stability when you need it. Secure Phone Pocket with zipper closure. Trekking Pole Carry: Easily remove or replace poles while running. 15.5L Gear capacity. 85oz/2.5L Hydration capacity. Belt fit range: 26" to 46". Torso fit range: 15" to 19". Includes Crux 2.5L reservoir with standard exit port. Made of sustainable nylon material.