CoverUPF 50 Cut-Out Swim T-Shirt Cover UpDetailsMicrofiber. Crew collar. Short sleeves; back cut out. UPF 50+ sun protection; wicks away moisture. Nylon/spandex; machine washable. Made in USA. Designer About Cover: Protect your skin stylishly with Cover Clothing. The Dallas-based line's wrinkle-free "swim jersey" garments supply UPF 50+ protection, while also providing moisture-wicking technology for quick drying. Fashionable, figure-flattering tees, tops, skirts, and dresses are perfect to wear at the pool, the park, or while playing sports.