Bacophy 6 Pairs Arm Sleeves UV Protection Cooling Sleeves Women Men Arm Cover - Nylon, Spandex - UPF 50 PROTECTION: These Bacophy arm sleeve is made of premium soft fabrics which include 70% Nylon and 30% Spandex. It can block out as high as 99.8% harmful UVA and UVB rays, effectively prevent sunburn and slow down skin aging. No more Sunscreen. Give you maximum UV protection when you are doing outdoor activities. - COMFORTABLE & BREATHABLE: Since the sleeves are worn next to the skin, high breathability and rapid moisture wicking are the main characteristics of these sleeves. Fast sweat kick-away and fast dry can ensure your skin fresh and comfortable all day. Bacophy arm sleeves are suitable for most peoples arms, without any pressure or discomfort. - COOL FEELING: Dont worry about wearing our sleeves will increase the heat of the skin. When you wear these ice silk fabric arm sleeves, you will find that is much cooler than your skin is exposed to the sun. Keep you feel cool even in hot summer. When you wear the sleeves, the temperature will drop by about 5 degrees. - HUMANIZED DESIGN: Bacophy cooling arm sleeves are seamless and elastic. It can offer perfect 360 all-around fit. We adapt a seamless technical V-type knitting process. It is suitable for human engineering and fits to the arm curve perfectly, helping the arm to release the pressure better. The sleeves dont make you feel itchy and leave imprints on your arms. - SUIT YOUR ACTIVIES: Bacophy UV protection arm sleeves are designed for long times under the sun, protecting your skin when golfing, running, cycling, hiking, or any other outdoor activities like driving, fishing and so on. Suitable for Indoor Activities too, even your workplaces. Make sure that your arms are continuously protected throughout all day activities.