Cooling & UPF 50 Protection: With innovative cooling technology & UPF 50 protection to block out over 98% of harmful UVA & UVB rays, the Tough Outdoors' Cooling Sun Sleeves are more than your average sun sleeves. Recommended by the Skin Cancer Foundation. | For All Sports & Outdoor Activities: Designed for long, hot hours under the sun, our lightweight arm sleeves will keep you comfortable whether you're golfing, fishing, playing basketball, cycling, hiking, driving or even gardening. | Lightweight Freeflow fabric: Freeflowis our patented fabric that is lightweight, breathable and sweat wicking. The fabric actively wicks away sweat and provides a cooling effect. So these sunscreen sleeves don’t just protect you from the sun, they also help keep you cool in the midday sun. | Seamless Comfort: Unlike other sun sleeves that make you itchy and leave imprints all over your arms, these sun sleeves are seamless. We make sure you'll be comfortable and happy. | Stretch Fit and Washable: Our sleeves are incredibly durable and stretchy. Our stretchy 92% nylon 8% spandex blend make them perfect for both men and women. Sold as 1 pair. | One Size Fits All: These sleeves are made using 4 way super stretch fabric that stretches to over 4X it’s length. These sun protection will snugly fit men, women, adults and teens. The nylon-spandex fabric will stretch to fit all arm sizes and shapes.