Headsweats Performance Headwear Teal Palms Performance Ice Hat Adjustable Summer Cool OS. EUC Stay Cool, Perform Better: The Ultimate Running Hat for Athletes Introducing the latest innovation from Headsweats – the Performance Ice Hat, designed to revolutionize the way athletes stay cool and perform at their best. Engineered for marathoners, triathletes, and all endurance athletes, this cutting-edge running hat is your new secret weapon for peak performance. Key Features: Fabric: Made with our new performance fabric (90% Polyester, 10% Spandex)