Twolayer insoles made of warming fleece fabric and flexible latex foam providing your feet with the right temperature even on the most frosty days. Latex foam with active carbon forming the bottom of the insole is responsible for softness and comfort. It also excellently and longlasting absorbs any unpleasant odors. This type of insoles is recommended for any type of autumn and winter footwear. Extremely pleasant to the touch.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 68 weeks. The package contains two insoles (left and right).The package contains two insoles (left and right).