The 2021 Smart Heat Insoles are the perfect option for anyone with cold feet! Whether you are hiking your favorite trail in the mountains, or simply just cold in the house, you will love the warmth and comfort of our smart heat insoles.
- super warm insoles
- long-lasting battery
- light and breathable
- ultra-thin and lightweight design for maximum comfort
- fits in all types of footwear, shoes, and boots
- heating System: 4.5 volt