Osprey Quantum Backpack 100% Nylon Sew-in spacer mesh harness with Airscape backpanel, sternum strap with whistle buckle, removable 20mm waistbelt 2x side stretch mesh pockets, large front stash pocket with mesh innner pocket, front bungee compression system Panel loader, front stash pocket with mini organizer, MP3 pocket, Internal mesh pocket, document sleeve, elasticated laptop sleeve with padded base - 15.4" compatible Padded carry handle, single ice axe loop, and 2x haul loops Volume: 2000 c.i./34 liters, Weight: 1 lbs. 15 oz/0.88kg