Sunday Afternoons Sprinter Cap Lightweight, moisture wicking, and comfortable, this high tech Sprinter Cap is great for running, tennis, golf, and everyday casual wear. Designed for sun protection on the go, the mesh design is UPF 50+ rated. Made with breathable microfiber integrated mesh. Certified UPF 50+ ultra breathable poly mesh 8" Extra wide brim, 3 1/4" long brim Lightweight: 3 oz. Rapid dry / moisture wicking mesh body / integrated sweatband