Want the get a custom fit in your boot without paying custom fit fees? Replace the insole that came with the boot with Hotronic's Semi-Custom insole and then combine it with the Hotronic Custom kit for the ultimate in comfort and warmth.
The Hotronic Semi-Custom Insoles replace the foam insoles found in most boots and make the installation process of the Hotronic Custom Foot Warmer (sold separately) much easier. This insole has a preformed heel pocket and some arch support. Note the curvature in the picture.
These insoles have a pocket for the heating element and the channel for the cord, already precut. Installation is as simple as:
Comes in Four (4) metric sizes: 23.5/24.5, 25.5/26.5, 27.5/28.5, 29.5/30.5, trim-to-smaller-size.
The heating elements are not included with these insoles.