Warm feet inside or out! These Wool Felt Insoles provide optimum protection against the cold and damp, moulding to the shape of your foot to ensure no loss of heat even in extremely cold weather. They come with practical cutting lines so they are easy to cut to size and an antibacterial finish that reduces odour build-up. These Insoles are also suitable for ski boots. One size 3-11.
Material: quilted wool felt top, PU foam, rubber foam and PVC
1. Voltage: 3.7V-4.5V
2. Comes with battery compartments and 2 belt-pockets,ordinary or rechargeable batteries can be used.
3. Cut only along the lines printed on the insole according to your foot size.
1. Foot is the second heart of a human body. One body can be kept warm by keeping heating his feet. Heating shoes prevents frostbite of the feet, activates blood flow, eliminates tiredness, etc.
2. Use high technological bio-thermal fiber as a heat source.
3. Possess far infrared physical therapy (radiating 5-12um light wave on conducting electricity)
4. Heating part has even temperature with surface temperature between 35℃ and 55℃.