- Carbon Fiber
- mens shoe inserts– extra- skid and resistant, so that make you safer when climbing or exercising.
- Sports shoe pad– powered by the battery box, no great risk. high heating speeds, high efficiency and strong stability.
- USB shoes insole– using high-class materials, this product is durable, easy to use, and can be used for a long time.
- Heel inserts– can be washed directly without affecting the effect of use. you can also clean with a brush.
- Electrical heating insoles– the heated insoles can keep feet warm in cold weather. both men and women can use it.