Guerrilla cap fashion rules the day, and the Ripstop 504 joins the ranks of the Kangol military elite with a classic ripstop panel pattern providing style along with a level of comfort that is accentuated by the supple and strong cotton fabric and the patented Flexfit headband. 97% Cotton, 3% P.U. Spandex 2-Inch Brim Flexfit sweatband Packable