Heat Machine Mens Thermal Slipper Socks - Fairisle Design - UK Size 6 - 11 (EUR 39-45, US 7-12) Keep your feet warm and comfortable during the winter season with these Heat Machine Sherpa Lined Thermal Slipper Socks. Designed for men, these mid-calf socks come with a cushioned and non-slip sole, making them perfect for indoor wear. The socks are made of 91% Acrylic, 5% Nylon, 3% Polyester, and 1% Elastane, providing a soft and breathable feel. These socks are ideal for Christmas and holiday celebrations with their festive Fairisle design. They are available in UK size 6-11 and feature a thermal lining that provides extra warmth. Get your hands on these stylish and comfortable socks today. Guaranteed warmth Extra thick construction Engineered for your feet Tog Rated Warmth Rating 3 Warm Fur Lining Heat Machine Thermal Insulated socks are engineered for your feet. Using high density yarns with extra thick construction to create a thermal barrier to keep warm air close to your skin, ensuring your feet stay warmer for longer. Making them the ULTIMATE thermal insulated socks. Easy Grip top for comfort all day long