ARMPRO compression sleeves have ab SPF rating of 50, providing excellent sun protection! They are made from a high quality 4-way stretch Lycra, offering superior moisture wicking that provides a cooling effect while riding. To increase the cooling effect on really hot days, just wet them down with water. Protect your arms and your ink from the harmful effects of the sun and stay cool with these muscle compression sleeves featuring stunning tattoo designs as well as an array of solid colors.