Stay cool and protected with this lightweight running hat. It's made from fast-drying fabric that's only 0.1mm thick and weighs just 1.58 ounces – you can literally fold it and stick it in your pocket. The mesh design keeps air flowing so your head doesn't overheat, and the inner sweatband pulls moisture away to keep sweat out of your eyes. With UPF 30+ protection, it blocks harmful UV rays, and the wider 3.35-inch brim shields your face, nose, and neck from the sun. The adjustable metal buckle lets you fit it perfectly for head sizes from 21.3 to 23.6 inches. Cap depth is about 5.12 inches. Great for running, cycling, hiking, golf, tennis, beach days, fishing, gardening – pretty much any outdoor activity. Comes in 8 colors, unisex style. Light, breathable, and totally practical.