Rothco's Military Campaign Hat is made out of 100% brown wool felt. 

Rothco's Military Campaign Hat is made out of 100% brown wool felt, and has 4 air vents to keep you cool. The campaign hat has a 1/4" black chinstrap with a metal buckle and 2 rivets at the brim for the chinstrap to pass through. Rothco's military hat is 3" long and 6 1/2" high. The army campaign hat's outside has a 1 1/8" brown ribbon around the crown, and inside contains a 1 1/2" black band with 'Campaign' written in gold and a small black bow.