Wide zippered center opening assures ease of loading with large jacket or gear flap. UV-rated, weather-resistant 1200D chassis. End pockets expand out providing additional packing room when needed. Internal molded organizer and zippered mesh pockets keep items organized. Maintains shape even when empty. Cam locking system mounts bag securely to rack and tour pack, plus full mounting strap kit for variety of mounting options. All strap ends include unique keepers system which eliminate the need for cutting after the bag is installed. Multiple heavy-duty D-rings for additional mounting or attaching options. Integrated MOLLE modular attachment points for storage customization. Includes removable shoulder strap and carrying handle for transportation ease. Includes tethered rain cover for added protection from the elements. Dimensions: 24" wide x 12" deep x 11.5" tall (with an additional 3" expansion); measures 3,300 cubic inches.