Twolayer insoles made of airy and absorbent cotton fabric type terry which ensures proper drainage of sweat deep into the insoles and flexible latex foam enriched with activated carbon which in addition to softness and comfort guarantees absorption of any unpleasant odors. Ideal for any type of footwear as well as hiking. Extremely pleasant to the touch.UNIVERSAL SIZE! Just 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 use.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).