Slip these Large Heat Ready Insoles from Hotronic into your ski boot for a custom heat experience that will keep your feet warm and toasty for hours. When you attach the Hotronic heat elements and battery pack (not included), your feet receive warm electrical currents so you can enjoy your favorite cold weather activities for hours. These semi custom insoles can be trimmed to fit feet between sizes 10 and 11 (Women's) or 9 to 10 (Men's) and slip easily into your ski boots. These heat ready insoles are intended to be used with Hotronic batteries and heating elements.
- Semi custom heat-ready insoles
- For use with Hotronic heat elements and battery packs
- Size Large: 27-28.5 (US Ladies 10-11, Men's 9-10)
- Trim to fit smaller sizes