Coolibar UPF 50+ Men's Sun Sleeves - Sun Protective Cotton/Viscose from Bamboo/Spandex blend Pull On closure UPF 50+ - protects against 98% of UVA and UVB rays ZnO SUNTECT&reg;: Super soft against the skin, lightweight, cool and comfortable Snug fitting, yet moves with ease; Open cuffs; Sold as pair Machine wash cold, tumble dry; Imported Recommended for everyday leisure, around the patio, around town or just hanging around, walking the dog, gardening or light yard work