Gregory Arrio 30

Ventilated back panel: suspended open-air mesh back panel keeps you cool and comfortable on the trail Trail ready organization: multiple quick access pockets with secure zipper closure to keep your kit organized and within reach Hydration ready: included speed clip hydration hanger is compatible with our patented Quick Dry 3D hydration reservoir system (reservoir not included) Custom fitted rain cover included Side zippered stash pocket for quick storage and key clip attachment