2XU Women's 24/7 Compression Socks 57% Cotton/25% Nylon/18% Elastane Imported Powerful PWX compression supports shins, calves, ankles, Achilles and arches of the foot The graduated fit promotes circulation for muscle performance, reduced swelling and faster recovery Additional padding in the heel and balls of feet increase comfort Antibacterial and moisture-wicking properties keep odors and sweat in check 50 UV fabric adds extra protection against the sun's rays