Never used, in new condition (no bladder/reservoir). More details: Made with 200-denier recycled ripstop nylon; a C0 durable water repellent (DWR) finish helps moisture bead up on the surface; C0 DWR is a water-based, PFC-free formulation Zip pocket on top lid gives you a secure spot to stash small valuables Includes an essentials organization pocket Made with lightweight and durable materials Breathable air-mesh back panel and straps help keep you cool and dry Includes an adjustable sternum strap Sized to hold a 15 in. laptop Dimensions - 18 x 8.6 x 2 inches Gear Capacity (L) - 17.9 liters Fits Torso Length (in.) - 15-21 inches Gear Capacity (cu. in.) 1,090 cubic inches