CONTENT – 67% Polyester, 17% Cotton, 15% Nylon, 1% Lycra Spandex. VENTED KNIT IN AIR PANEL. WIDE TOP BAND. EXTRA CUSHIONING. ARCH SUPPORT PANEL. SEAMLESS TOE. FIBER TECHNOLOGY pulls moisture away from the feet so they remain dry and cool. NYLON-REINFORCED HEEL AND TOE for added durability. Sold Per PK 6 Pairs.