UPF 50+ Premium chlorine-resistant swimwear that doubles as activewear. Sun protective zip-up cardigan rash guard that is lightweight, quick-drying and easy-on/easy-off. Versatile athletic swimwear made of 82% Nylon 12% Spandex swim fabric. Made in the USA with flatlock construction and thumbhole cuffs. Fitted. Parents also love that they can easily spot their children!