ZENSAH - 8530 - Compression Socks • Zensah Compression Sock incorporates ProGrade Compression Technology. • Developed with the optimal amount of compression to increase oxygen blood flow. • Only compression sock to incorporate arch support which allows your legs to last longer. • Graduated compression provides muscle support. • Increases circulation and reduces edema when traveling. • Zensah Fabric is both anti-microbial, and thermo-regulating. • Keeps your legs cool in hot weather and comfortable in cold weather. • Great for racing, recovery and traveling. • The number one compression sock for runners, triathletes, and world travelers. • Get fresh legs!