Tired of battling cold feet everytime you go skiing? Then slip the Hotronic Semi Custom Heat Ready Insoles into your boots and then you'll be able to quickly and easily install a Hotronic Heating Element (sold separately) and say, "sayonara!" to cold feet.

Anatomically Shaped Insoles – Ready for simple and quick installation of Hotronic's heating elements.

Trim-to-Smaller Size – If your boot is at the lower end of the four metric size ranges, then trim-to-fit modifications will be necessary.