The unique design and configuration of the MOLLE compatible PULSE 24-hour backpack convene to create a feature-rich, superior pack without compromise to function or comfort. Ultra-tough MOLLE compatible backpack with 1000 denier nylon construction Heavy duty zippers with covered zipper chain help prevent moisture seepage Three large, padded primary compartments with compression straps, ample room and features for organization as needed Front compartment includes admin panel, key hook, and zippered mesh pocket Flat eye-wear pocket on front of pack is lined with soft fleece Vented back panel is stiffened with internal, air-weight aluminum spine to provide consistent support, added stability, and reduce load strain Adjustable, ergo-padded, S-shaped shoulder straps Super-tough, low-profile laser cut MOLLE panel on this hydration compatible backpack Adjustable, removable, quick-release sternum support straps Loop panels for attaching patches Two rearmost compartments accommodate 3L hydration reservoirs with simultaneous tube-routing system (reservoir optional) Removable para-cord handle Compression straps and drainage grommets PLUSE 24 Hour Backpack is available in Black, Coyote Tan, and Wolf Gray Weight: 3.75 lbs.Dims: 19" x 11" x 8"