When it comes to extreme cold weather, Carhartt Women's Extremes Cold Weather Boot Socks are a top-rated choice. These socks are made from a blend of acrylic, nylon, wool, and spandex, providing excellent insulation and moisture-wicking properties. The fully cushioned foot and leg offer maximum comfort and warmth, while the reinforced heel and toe provide durability. These socks also have a stay-put top to prevent slipping and bunching. Whether you're working outdoors or enjoying winter activities, Carhartt Women's Extremes Cold Weather Boot Socks will keep your feet warm, dry, and protected from the elements.