- Soft Durable Poly Exterior Material
- Heating Elements on Both Top & Bottom of Foot
- Easy Adjust Calf Strap Too Fit Most Any Leg Comfortably
- Powered by 7.4V Rechargeable Battery Pack
- Included – Twin Batteries & Wall Charging Kit
- Triple Heat Setting Control Buttons – Low, Medium, High
- Designed to be Worn w/ Thin Socks Only – Stay Toasty!