COOLING AND UPF 50 PROTECTION: With innovative cooling technology and UPF 50 protection to protect against over 98% of harmful UVA and UVB rays, Cooling Sun Sleeves are more than your average sun sleeves. Expect the ultimate in comfort and protection wherever your adventure takes you. FOR ALL OUTDOOR SPORTS AND ACTIVITIES: Our lightweight compression armbands were developed for long, hot hours under the sun and ensure that you feel comfortable whether you are playing golf, fishing, basketball, cycling, hiking, driving or even doing garden work. Perfect for those with an active lifestyle! SEAMLESS COMFORT: Unlike other sunscreens that itch and leave marks on your arms, these sunscreens are seamless. We make sure you feel comfortable and happy. FIT AND WASHABLE: Our sleeves are incredibly durable and stretchy. Easy to machine wash and dry. Our stretchy blend of 89% polyester and 11% spandex makes them perfect for both men and women.