Hotronics S4+ Universal Boot Heaters
The Hotronics S4+ Universal Boot Heaters provide a stronger and longer-lasting heating system that is easy to install and keeps your feet comfortable. The Battery inside the Hotronics S4+ Universal Heaters lasts up to 21 hours and the heater itself features 4 different heat settings.
2 battery packs
1 Pair of One Size Fits All - Heat Ready Insoles