These thermal socks are specifically designed to keep feet warm in cold weather with a heat-trapping brushed inner lining and thick fleece interior. The blend of wool, polyester, cotton, and spandex creates a soft, cozy feel while providing excellent insulation for indoor lounging or outdoor activities. The moisture-wicking construction helps manage perspiration to prevent sweaty feet, even while keeping you warm. The elastic design fits most adults with shoe sizes 6 through 11.5, making them versatile for everyday wear. Each package includes three pairs so you can rotate them throughout the week. This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.