Make sure you feel comfortable as the Cowboys take down the competition by wearing the Nike Men's Oklahoma State Dri-FIT Apex Boonie Hat. This hat is made of 55% cotton, 42% nylon and 3% spandex and features a drawstring for a great fit, and the team theme helps you proudly display your love for your school. Nike Men's Oklahoma State Dri-FIT Apex Boonie Hat Black, Medium - NCAA Men's Caps at Academy Sports