Experimentation and research are at the basis of the project of small and large Mart armchairs, which were made with a new production technology using thermoformed leather. The footwear sector was the source of information consulted by the B & B Italia Centro Ricerche & Sviluppo, always careful to identify materials and technologies that respond the best to the peculiarities of individual projects. This is how thermoformed leather became a distinctive feature of Mart.