Relieve Fatigue: Self heating socks can eliminate leg fatigue and relieve foot , with static foot massage to fully improve the foot microcirculation. Automatic Heating: The bottom of the sock is designed with hot spot printing technology, which automatically heats up in cold weather and relaxes your feet. Perfect Gift: With 4 pairs of thermal heating socks, wonderful gift for your parents and friends, which is the best choice to keep your feet warm in the harsh winter. Soft Cotton: Heated warm s
