Black. Main compartment: 13'' x 9.5'' x 4.5'' with internal mesh divider and zipper pocket and YKK zipper closure. Front upper pocket: 8'' x 3.5'' x 2''. Front lower pocket: 8'' x 7'' x 2'' with divider & organizer pockets. Side Pocket: 4'' x 3'' x 1.5'' with zipper opening. Side Sheath: 5'' x 2'' x 1'' with zipper opening. Modular webbing: front, sides and on shoulder straps. Shoulder strap: double backpack straps with 3/4'' sternum strap. Reinforced drag handle design. Approximate overall volume: 750 cu. in. Compatible with 50 ounce hydration reservoir (not included). lon thread (stronger than ordinary industry standard nylon thread). #AS-100 high grade closed-cell foam padding material for superior shock protection. High tensile strength nylon webbing. #10 high strength zippers and zipper tracks. UTX-Duraflex nylon buckles for low sound closures.