Measures: 14" x 11" x 21". 3200 cubic inches. With a full length zipper, the main compartment opens completely for access to dual gear securing quick release straps and a large mesh pocket. The second internal pocket contains admin divider sleeves and organizers. Three utility compartments and two external zippered compartments on both sides of the pack. Padded back panel opens for storage of a laptop or hydration bladder. Externally, the bag has four compression straps, three reinforced drag handles and three hydration tube port holes. Thick padded contoured, adjustable shoulder straps with quick release buckles and an adjustable sternum strap. Adjustable and removable waist strap with thick padding. Internal composite back panel frame. Hydration compatible up to 2.5 liters. 600 Denier PVC lined polyester construction. Weight: 5 lbs. Color: Black