1.Material: 600D polyester, weatherproof 2.Expandable mesh side pockets fit quart bottles 3.One large main compartment with double zipper allow for easy opening 4.Large front pocket with zipper, allow easy access to all your gear 5.Interior security pocket for safety 6.Daisy chain for easy clips 7.Fully padded back panel 8.Shoulder straps contoured with air mesh tex