Electric Heated Socks with Rechargeable Battery Powered.Heated socks are made of premium cotton fiber, soft and absorbent, quick-drying and breathable, quick-drying and elastic. Insulated material offers you safe socks, keeps your feet warm and comfortable in cold winter.Combined with ergonomic design and upgraded far infrared heating elements, the winter heating socks are heating uniform, temperature stability, let your feet no longer be cold and stiff in the cold winter.