Comfort fabric: Nylon and spandex fabric delivers optimal stretch; wicks moisture and dries fast for comfort in and out of the water Sun Protective: With long sleeves for max coverage and UPF 50 rated fabric; the KPSUN swim shirts is a great choice for days on, in and around the water Quick Dry: Takes the sting out of brisk salt water before the sun is high in the sky; the mens rash guard is an excellent partner for warm weather surf missions Wear resistant: Featuring stretchy, protective fabric that wards off UV rays and resists wear from chlorine; the sun shirt keeps you covered while at the seaside or taking laps in the pool Only solid color swim shirts have pockets; can store your credit card; raglan sleeves provide full range of motion