DescriptionSelf-heating socks are made of premium materials, which are practical and durable. The bottom of the socks has a heating design, which can be heated in cold weather. Effectively relieve leg fatigue, regulate the nervous system, and provide you with foot massage care.Features-Color:White-Material:Cotton -Size:28.00X9.50X0.20cm/11.00X3.73X0.08in- Using premium materials, durable and solid to use. Very suitable for those who are afraid of cold. - Self-heating design. It is suitable for skiing, climbing, skating and cycling in the cold winter.- Effectively relieve leg fatigue, regulate nervous system, and provide you with foot massage care.- Comfortable and lightweight for indoor or outdoor, it can give you intimate care and companionship.- It has a mid-tube design to ensure good warmth and keep you warmer. Practical to use.