Two-layer insoles made of natural sheep's wool and flexible latex foam, providing your feet with comfort and warmth even on the most frosty days. The applied layer of sheep's wool guarantees the preservation of the optimal temperature inside the shoes, prevents colds and joint diseases. Latex foam with activated carbon, forming the bottom of the insole, is responsible for softness and comfort. It also excellently and long-lasting absorbs any unpleasant odors. This type of insoles is recommended for any type of autumn and winter footwear. UNIVERSAL SIZE! Simply cut the insole according to the marked lines on the back to fit your shoes, you can also cut them to perfectly fit the shoes you are using. For proper hygiene of the insoles, it is a good idea to replace them every 6-8 weeks. The package contains two insoles (left and right). The package contains two insoles (left and right).