Features FreeFloat A3 suspension system with dynamic flex panels and auto-rotating shoulder straps that move with the natural movements of your body AirCushion Foamless back panel provides true breathability; eliminates pressure points; and offers moisture-wicking, cooling benefits 3D shoulder harness and hipbelt construction eliminates wrinkling and hot spots to provide hotspot-free, body-hugging comfort All suspension components treated with Polygiene® Stays Fresh technology, an odor-control fabric treatment that inhibits the growth of odor-causing bacteria Auto-rotating, dual-density shoulder harness; sternum strap with an integrated safety whistle and hydration clip Sunglass QuickStow system on shoulder harness for quick, secure and scratch-free access to your shades ComfortGrip lumbar pad helps prevent pack slip and keeps the pack positioned high on your hips without the need to overtighten the hipbelt Perimeter alloy frame and fiberglass anti-barreling cross-stay for stable load management Internal hydration sleeve with SpeedClip hydration hanger; compatible with the Gregory 3D Hydro Trek reservoir (reservoir not included) Quick-pull drawcord closure and top webbing compression Front U-Zip access to main body of pack Zippered bottom sleeping bag compartment with removable divider Floating top pocket with a large zippered compartment, a small quick-access pocket, an underside zippered pocket, reflective attachment points and a key clip Dual front zippered pockets