Heating Comfortable Elastic Breathable Breathable Heating Warm And Cold Cotton Features: 【Multifunctional】: relieve leg fatigue, pain, nervous system, self-heat, dehumidify and deodorize, swelling of legs and peeling feet, produce foot massage, . 【Wide Application】: Ideal for outdoor activities: skiing, snowboarding, hiking and other sports. Stimulate acupuncture points. Use any of day. Wash in running warm water without detergent. 【High Quality】: Made of cotton, soft and comfortable, long service life. The bottom of the sock is designed with to warm your feet by self-heating in cold weather. 【Unique Design】: Combined with ergonomic design, the winter thermal are evenly heated and the temperature is stable, which can stimulate the circulation of the feet, so that the feet are no longer cold and stiff in winter. Cotton Thermal Socks: Insulation can give you to keep your feet warm and comfortable in the cold winter. Product details: New ️ Features: soft, not easy to damage the. All colors are not easy to fade. Cotton is a that keeps you warm in winter. The complete geometry is not easily deformed. Cotton Heating Heating are made of cotton fibers. They are soft, absorbent, quick drying, breathable and stretchy. Insulation provides you with secure to keep your feet warm and comfortable in the cold winter. Combined with ergonomic design, the winter thermal are evenly heated and the temperature is stable, which can stimulate the circulation of the feet, so that the feet are no longer cold and stiff in winter. details: Material: Cotton Package Contents 4 pairs of