Natural wool material — High-quality shoe insert. For snow booths or shoes.

1.  100% all-natural pure shearing wool fabric for warmth and comfort;

2. Otholite breathable middle layer material has a cushioning effect, giving the insoles breathing function, and keeping cold air out of the shoes;

3. The bottom aluminum film can provide additional thermal insulation, thereby isolating the soles of the feet from the cold and wet ground, keeping your feet and toes warm and comfortable in a cold environment.