Never let your opponent see you sweat. Climacool consists of 100% Coolmax Extreme fabric with golf specific mesh ventilation. The result is a superior moisture management system designed to reduce skin temperature, improve airflow, dry quickly, and provide UV protection. It resists pulling better and is more durable than most other natural or synthetic fibers. Rib knit collar Open hem sleeve UV protection 100% polyester Coolmax Extreme pique Underarm mesh gussets