COOLS INSTANTLY - Chilly Pro Performance Cooling Boonie provides instant and lasting cooling power that lasts for hours PRACTICAL - Includes an adjustable chin strap for a secure fit during any activity and UPF 50 sun protection to ensure you stay protected from harmful UV rays FEATURES - Our signature Chilly Pro cooling material, adjustable elastic chin strap, airflow design for optimal ventiation, instatnt long lasting cool USES - Perfect for warm weather activities such as fishing, boating, gardening, hiking, golf. Stay protected, cool and stylish all season long SINCE 1996 - frogg toggs has endeavored to provide the world's best rainwear, waders, cooling products, footwear, and accessories at the best possible prices