a long trip. Shell 1, front panel, and bottom are made of 840D hypalon. Shell 2 and main body are made of 630D nylon. Shell 3 and top closure are made of 150D poly ripstop. Cinch top closure. Bottom grab handles and curved lower lumbar. Adjustable shoulder straps with daisy chains. Removable sternum strap. Suspended laptop sleeve. Zippered front pocket. Front daisy panel offers space for clipping extra gear. Durable mesh back panel. Mesh water bottle pocket. Measurements: Laptop Compartment: 15 in Bottom Width: 11 in Middle Width: 11 in Top Width: 11 in Depth: 8 in Height: 21 in Strap Length: 34 in Strap Drop: 17 in Handle Length: 6 in Handle Drop: 2 1⁄2 in Weight: 1 lb 9 oz