The Heat Holders Women's LITE Elin Nordic Crew Sock combines a beautiful Nordic-inspired pattern with dependable warmth - 5x warmer than a standard cotton sock. These socks are crafted with advanced thermal yarns and an intensely brushed inner lining, helping keep feet comfortably warm on cold days. Designed to fit comfortably in relaxed-fit shoes and boots for everyday winter wear. The timeless Fair Isle design adds classic winter style to any outfit.