Keep your toes toasty on cold days with these thermal socks. Two-pack of calf-high styles with contrast tipping. Added stretch provides comfort and Freshfeet™ technology combats odours for all-day freshness. Heatgen™ technology keeps you warm when the temperatures plummet and makes these socks super soft and lightweight. \n M&S Collection: versatile styles in modern shapes with unique and playful details.