After more than 15 years of production, investigation, and improvement. Our vulcanized shankboard is the starting point for what nowadays is the new image of Insolelite®  Always having as a reference of the Spanish fibre, Insolelife® is the cardboard which looks more like the Spanish fibre. However, the difference in the price and the fact that it is recyclable material makes it a good alternative for high quality shoe production. Its layers are so stuck so it is impossible to split them. Moreover, it has a perfect stiffness so the shoes will be very stable.