Lanzom Classic Outdoor Sun Hat Block Collapsible Hats Fishing Hats UPF50+ Material:100% quick-dry imported sloan material ,soft, windproof, breathable and comfortable Size:3" wide brim, head circumference: 21.6"-23.3",adjustable belt,one size fit all. The inner hat comprises a lightweight mesh for excellent ventilation and comfort,the outer shell material promise the it will quick-dry and excellent sunblock Unisex design perfect for any outdoor activities. UPF 50+ - Block 97.5% of the sun's harmful ultraviolet rays to keep your skin healthy and beautiful! Our fabric is rated at an unbeatable UPF 50+