The Multi-Cool is a one-size fits all, wear 12+ different ways cooling towel. Wear it as a skull cap under hard hats or as a headband during workouts. No matter how it is worn, keep cool and comfortable during even the most intense conditions. Helps protect against dust, debris, and wind. Made from performance fabric, this towel cools instantaneously to 30 degrees below average body temperature and stays cool for up to 2 hours when wet with water or sweat. Simply wring out and snap the Multi-Cool to activate the cooling properties. The EnduraCool™ technology ensures the towel is breathable, made for all activities, chemical free, reusable and can be machine washed with detergent. UPF 50 protects against the sun’s harmful rays. Sized at 10 x 21"