[Adjustable Size] DIY heated insoles that you can cut to your own size as needed. 5mm thick and suitable for men and women in sizes 41 to 46. Perfect for all types of shoes.

[Lasting Foot Warmer] Heated insoles use far infrared carbon fiber which can promote blood circulation in the feet, large heating area, even heat distribution. The highest designed temperature is 50℃/122 °F.

[Cleanable and Reusable] Heated insoles are environmentally friendly and can be used over and over again, be careful not to machine wash them. Make sure they are completely dry before use.

[USB Use] Portable rechargeable heated insoles, lightweight and elastic, include a portable USB plug with long cables for charging via power bank, laptop, wall plug and all devices with a USB port.

[Wide Range of Use] Heated insoles effectively prevent your feet from getting cold and protect against the cold indoors/outdoors. Perfect for outdoor activities such as hiking/skiing/hunting/fishing/camping etc.