Winterheat 3400 Ski Boot Heaters / Gold Black Developed with a high-volume anatomically

Developed with a high-volume anatomically shaped shell and liner

Expand the volume by removing the Adaptive Fit System (AFS) Cuff or reshaping the shell and cuff with heat-molded Memory Fit

The redesigned the Tri Force technology to perfectly integrate with the BOA®Fit System

Transparent Inner Pocket - Store waxes

Benefits of Conforma Insoles:

Winterheat 3400 Ski Boot Heaters / Gold Black Developed with a high-volume anatomicallyThe Winterheat 3400 Bluetooth Batteries are the best boot heaters on the market. With hours of powerful heat, these heaters will keep your feet warm so you can focus on enjoying your day outside! Winterheat batteries are compatible with Surefoot Custom Liners, no installation required. Features With the Winterheat 3400 Bluetooth battery, you can control the strength of your heat remotely using your smartphone. Up to 17 hours of heat Comes with a