Our preferred brand of hat is Richardson 112, however, in the event of a stock shortage we reserve the right to use YP Classics 6606 (YP Classics makes the famous brand FlexFit). Richardson 112 is made from 60% cotton & 40% polyester with 100% polyester mesh back with adjustable snapback. YP Classics 6606 is made from 65% cotton & 35% polyester with 100% polyester mesh back with adjustable snapback.