This insole is suitable for keeping warm in winter and guarding against cold and frostbite.
There is a damping design on the bottom of heel, which helps relieve the pressure on your feet after a long-time standing. The low arch support design fully integrate ergonomics and humanized design to improve flat feet.
There is a yardage cutting line on the sole , so you can cut the insole to the desired size according to the needs. The arch effect is more fit and comfortable.
The temperature remote control device is designed. The different buttons on the remote control are used to control different operation modes.
The insole can be used when fully charged, with no need to tie batteries or connect to a power supply. Easy to use.