Sun Protection: Crafted from sun protection fabric, these UPF 50 cooling arm sleeves with thumbholes for men and women effectively protect your skin from UV rays in summer, allowing you greater safe and freedom during outdoor work or sports. Cooling & Breathable: This arm sleeve is not only very breathable with good heat dissipation effect, but also its fabric has a cool feeling, which can effectively reduce the stuffy feeling and keep you cool and comfortable during various outdoor activities. Lightweight & Elastic: These lightweight UPF 50 arm sleeves has good elasticity and breathability, which is not only convenient to wear and carry, but also ensures that you can stretch freely in various outdoor activities, improving your sports and work performance. Anti-slip Design: Featuring built-in anti-slip strips and thumbholes, these UV armsleeves effectively prevent slipping during various activities, enabling you to concentrate on your farm and garden work or exercise, thus enhancing your outdoor gardening or sports experience. Occassion: Sun protection sleeves are a must-have item for various outdoor activities in summer, such as baseball, football, golf, gardening, cycling, running, climbing, fishing and so on. Its simple style also makes it a perfect gift for family and friends.