DURABILT Adult Comfortrel Moisture Control Ankle Sock 3-Pack 10-13 15% nylon All-white, soft comfortrel version of our DuraBilt Sport Sock Arch support with vents keeps your foot energized Exceptional Moisture Wicking Yarns: 75% comfortrel, 15% nylon, 5% elastic, 4% lycra spandex, 1% polyester Wonderfully comfortable for long walks or a long day at work