These Ranger Map Pocket MultiCam Fatigue Caps are made of a 2 ply 35% cotton ripstop and 65% polyester fabric that are licensed through Crye Industries with built in map pocket with a loop strip on back that is 5 1/2" X 3/4". Available Sizes: 6 1/2 - 6 3/4 - 7 - 7 1/4 - 7 1/2 - 7 3/4