These lightweight socks feature foot ventilation and a half cushion sole for all-day wear. Our URfit System provides long-lasting support for any adventure that comes your way. Great fit and support mean you're cushioned, dry, and comfy no matter where you end up. Unisex fit URfit System provides arch support and memory-knit construction Vented panels remove moisture and keep you dry Reinforced toe and heel add comfort and longer sock life Smooth, flat comfort toe seam 31% Merino wool, 31% acrylic, 29% nylon, 7% polyester, 2% spandex Style# 2408