Speedo Kid's UV Long Sleeve Sun Shirt, Blue, 6-6X 80% Nylon, 20% Spandex Imported 80% Nylon/20% Spandex Comfortable and lightweight sun shirt for pool, beach, or outdoor use UV50+ protection from the sun's harmful UVA and UVB rays Long sleeve design for maximum coverage and protection 80% Nylon/20% Spandex Made by Speedo, the world's #1 swim brand