... brim measures5.5cm 3)4 brass eyelets 4)factory of hat camouflage bucket hat HYD-MC003design features*for those adventurers who are seeking ... in your environment.* For added comfortable and durability, our hat also sports four brass lined ventilation holes on the crown ... products include baseball cap,golf cap,and other sports hat,military hat,fashion hat,sun visor,bucket hat,etc camouflage bucket hat