Ultralight, AirSpeed injection-molded ladder adjustment system provides 4" of torso adjustability of a customizable fit ExoForm harness features seamless layered mesh to provide improved comfort and cushioning Removable floating lid with top- and under-lid zippered pockets and integrated flapJacket cover for lidless use Dual ice axe loops with bungee tie-off, Stow-on-the-Go trekking pole attachment, and sternum strap with integrated safety whistle Front stretch mesh pocket for stashing gear, dual-access stretch mesh side pockets and dual-zippered hipbelt pockets to keep essentials handy For Size Large/X-Large: Recommended load range: 20-25 lbs | Pack weight 2.827 lbs | Dimensions: 31.5H X 12.99W X 11.81D in | Volume = 41L