The Core Series Heated Insoles are about more than toasty toes. They are ergonomically designed to give support, have a gel cushion heel for extra comfort and able to be fitted easily into most shoes and boots. Their thin, rechargeable, integrated battery means youll never have to worry about forgetting them or dealing with cables to an exterior battery pack. Feet need good breathability for comfort and health. Our insoles are designed with ventilation holes across the whole insole for optimal air and heat distribution. You can choose between 3 different temperature levels easily operated with a remote control. With multiple and easy charging options, these insoles couldnt be more convenient, unless they did the walking for you. Charge your heated insoles, pair the remote and slide them into your favourite shoes or boots and youre all set for the day. If the nasty cold come creeping, you are just one click away to having a better day. Charge with USB in a power outlet, power bank or