Comfort surrounds you, starting with 13% spandex (87% polyester), providing lightweight stretchability, the “cool” venting, and a moisture-wicking headband. The Delta is designed to retain its higher-profile shape so that bold Tour logo stays prominent, and there’s an adjustable snapback closure. 87% polyester, 13% spandex Adjustable snapback closure Moisture-wicking SensorCool headband Heavy buckram maintains structure of crown