Coolibar UPF 50+ Kids' Surfs Up All Sport Hat - Sun Protective Polyester/Spandex Blend Elastic closure UPF 50+ - protects against 98% of UVA and UVB rays Quick-drying, soft and durable Aqua SUNTECT&reg; fabric that is chlorine and saltwater resistant Protective 3 inch (S/M) or 3 1/4 inch (L/XL) brim shades eyes and face; Internal circumference 21 inches (S/M) 22 inches (L/XL) Elastic string with toggle for adjusting size of crown; Attached drape protects neck; Cold rinse after use, Easy care: hand wash warm, line dry; Imported Recommended UPF 50+ sun protection for all kids who are ready to splash in the water