17” x 9” x 11” Heavy Duty Polyester 600D Three (3) external pockets Spacious main compartment Deep inner mesh and solid zippered pockets Two outside zipper pockets on front and deep/large velcro pocket on back Capable of holding 72oz hydration bladder Molle strips, as well as top and side compression straps to help stabilize load Four 1.5” D-rings and three 1” D rings for mounting accessories