UPF 50 Protection: With innovative cooling technology & UPF 50 protection to block out over 98% of harmful UVA & UVB rays. Comfortably Cool & Wicks Moisture: The sweat-wicking fabric in this cooling arm sleeve generously lets air in, keeping your arms cool even in extreme heat. Designed for activities under the sun, this lightweight arm sleeves will keep you comfortable when you're fishing, playing basketball, cycling, hiking, or other outdoor activites. Durable and stretchy. Easy to machine wash and hang dry. Our stretchy special material make them perfect for both men and women. Sold as 1 pair. 19 inches Long