CONTENT 75% Cotton, 22% Nylon, 2% Lycra® Spandex, 1% Polyester. WIDE TOP BAND provides comfort and keeps sock in place. COMBED RING-SPUN FULL CUSHION from top to toe for comfort. ARCH SUPPORT PANEL promotes circulation and reduces foot fatigue. ANTI-MICROBIAL WASH OR PROPERTIES keep odors neutralized. FLAT-KNIT TOE SEAM.