Coolibar UPF 50+ Unisex UV Neck Gaiter - Sun Protective Polyester/Spandex Blend Pull On closure UPF 50+ - White Blocks 98% of UVA/UVB rays; Beige Blocks 94% of UVA/UVB rays Knit SUNTECT&reg;: Lightweight and breathable with Cooltect&trade; technology accelerates moisture wicking to keep you cooler and more comfortable Soft comfortable 4-way stretch mesh construction; Adjustable neck and face coverage Circumference: 19 3/4 inch (S/M) 22 3/4 inch (L/XL); Height: 19 5/8 inch; Easy care: machine wash, tumble dry; Imported Recommended for achieving Ultimate Coverage in Sun Protection while participating in outdoor activities wearing UPF 50+ clothing