Fox River Wick Dry Steel-Toe Merino Wool Heavyweight Socks 72% merino Wool/23% Nylon/3% Acrylic/2% Spandex Made in US TOASTY WARMTH ON THE CHILLIEST DAYS: Heavyweight merino wool crew socks are designed to provide comfort and warmth under extremely cold conditions. MADE TO LAST: Nylon-reinforced heel and toe areas add durability and longer sock life ALL THE FEATURES FOR SUPERIOR COMFORT: Special front vamp helps eliminate bunching and bulk at ankle in this mens crew sock STAY DRY ALL DAY LONG: Proudly made in the USA, our exclusive Wick Dry technology keeps feet dry and warm BACKED BY COMPANY STANDARDS OF EXCELLENCE: Fox River products are guaranteed against manufacturing defects for one year