This sun-blocking baseball-style hat features cool, lightweight UPF 50+ SunSmart™ fabric that blocks at least 97. 5% of the sun's UV rays, about 10 times more than a white cotton tee. 71% polyester; 29% nylon. Spot clean. Lightweight polyester/nylon weave with mesh for breathability. Comfortable built-in stretch. CoolMax sweatband wicks away moisture to keep you comfortable in even the hottest weather. Imported. | Adults' Tropicwear Baseball Fishing Hat, Synthetic