This is the perfect Colorado running hat. Made with lightweight performance polyester and StayDri sweatband this dry-fit adjustable hat will keep your head cool and dry and protect you from the sun. For maximum ventilation this hat has side mesh panels for additional airflow and breathability. Features a embroidered Colorado C, perforated air vents in the crown and an adjustable hook-and-loop on the back. Pre-curved bill with reflective bill trim.