Meet the Digitsole insole: a heated insole that keeps you warm during winter and tracks your activity and calories burned. It is compatible with iOS and Android devices. Digitsole insoles heat up to 45 degrees (C) and are water resistant. The battery life lasts up to 8 hours. The built-in thermostat lets you control the temperature inside your shoes easily.
DIGITSOLE heated insoles help you stay comfortable and warm during winter activities. More information is available here.