Gorewear Essential Thermo Long Socks - Black, Men's This tall sock is made from a mix of materials including merino wool gaining the benefits of insulation without increasing overall bulk. Features High-quality thermal insulation keeps feet warm in cold weather Advanced fabric wicks away sweat ensuring dry comfort Elastic support and anatomical design provide a secure and comfortable fit Reinforced heel and toe areas enhance durability for long-lasting wear | Gore Wear | Gorewear Essential Thermo Long Socks | Size Small In Black