Khaki. Main compartment measures 18 1/2" x 11" x 4". approximate capacity 1100 cubic inches. Main compartment and hydration compartment can accept CCW accessories. Shoulder strap designed to go over left shoulder for better weapon shouldering. Bag can be worn in front and contents comfortably accessed while sitting down. Water bottle pocket sized to fit 32oz Nalgene bottle. Compatible with 100oz hydration reservoir. Theft deterrent devices built-in to capture zipper pulls. PALS modular webbing throughout to for attaching accessories. Top and side handles. 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..