Hotronic FootWarmer electric heated insoles are trimmable insoles and can be placed in any size shoes or boots. They can easily be made to fit any skiing boots, military boots, jogging sneakers or other footwear.
Hotronic electric heated insoles are designed for extreme cold and can work even in -22°F (-30°C). These electric insoles have powerful batteries lasting up to 8 hours on lowest heating.
FootWarmers have three regular heating levels available: low, medium and high. Any of these can provide continuous heating to your feet. Fourth level of heat offers extra blast of heat. It’s intended to be used for a short period for quickly heating your feet.
Hotronic’s S4 Universal electric heated insole model can be trimmed to fit into any boots or shoes. You simply trace your existing insole over Hotronic and trim it to any size that fits. Hotronic’s Custom heated insoles are a different model and are not trimmable.
Overall Hotronic’s FootWarmer insoles are a quality product with tons of satisfied customers. Even though the lack or remote control and high price is not working in their favor, these electric heated insoles will definitely keep your feet warm in any cold conditions.