Comfortable and lightweight rashguard style sun shirt for pool and beach use * 80% Nylon, 20% Spandex for quick drying, loose fit * UV 50+ "Block the Burn" protection from the sun"s harmful UVA and UVB rays * Part of Speedo"s "Fun in the Sun" collection to protect your child in the sun during outdoor play * Tighter knit fabric for higher level of protection