Propper Boonie - 100% Cotton

Propper Boonie - 100% Cotton: The Propper® authentic Military Boonie hat is engineered to block sunlight from your eyes and keep your head cool on hot days with a venting system. This boonie hat is sewn to military specification MIL-H-44105B. Protect your eyes and keep out of the sun's damaging rays with this military grade boonie. Vent holes on either side allow for air circulation and the adjustable chin strap ensures a secure fit. HAT SIZE: 7 1/2 , Head Circum. - (23 1/2)