Get the most out of your performance with the Fila Perfromance No Show Tennis Socks. These socks feature Aerator mesh ventilation, heel vents and a cushioned sole. A ribbed arch support relieves pressure from the middle of your feet. These socks are constructed of 62% Drymax/Olefin, 26% Polyester, 7% Nylon and 5% Elastane material.