The Heat Holders Ultra Lite Women's Thermal Socks in Navy Blue are perfect for keeping your feet warm and comfortable during casual occasions. Made from cotton with a mid-calf length and full toe style, these thermal socks from the brand Heat Holders are designed to retain heat and provide extra insulation in the winter season. The opaque blue color and thermal features make them a stylish and practical choice for women's size 5-9 feet. Machine washable for easy care, these socks are a must-have for the colder months.