Maxpedition Kodiak Gearslinger 0432BBlack. 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