Headsweats Performance Ironman Triathlon 70.3 Race Running/Outdoor Sports Hat, White Headsweats SWAT (Speed wicking absorption technology) headband keeps the sweat out of your eyes so you can focus on your run Headsweats GRB (Glare reducing brim) keeps the sun and glare out of your eyes Machine washable Adjustable buckle closure for a custom fit 100% Coolmax polyester for fast drying, wicking and optimal breathability.