Swiss Gear Jaeger Mid Size Panel Load Internal Frame Pack Adjustable sternum strap with integrated whistle buckle Padded, contoured adjustable shoulder straps with shock absorption, padded adjustable back panel with lumbar support Front pocket with organizer for hiking gear, detachable GPS pocket on shoulder strap 2 side mesh stash pockets hold water bottles or other quick access items Hydration compatible for 2 liter reservoir (not included)