Measures 9.5" x 12.5" x 18". 600 Denier PVC lined polyester construction. Features four expanding compartments that provide up to 20 liters of storage. Internal dividers and zippered pockets are built in the three largest compartments. Mesh padded back panel with Velcro top closure can hold up to a 2.5 liter hydration bladder (not included). Fully adjustable contoured padded shoulder straps with hard plastic D-rings for attachments. Reinforced carry handle. Adjustable waist strap and sternum strap evenly distribute the weight of the load. MOLLE webbing throughout for attaching additional pouches or gear. Weight 2.5 lbs. Color: Coyote tan with OD green trim.