AMF study case to be applied will be infinity technology. This technology describes a completely innovative shoe production model, without any sewing operation and with a number of operations very small for footwear production, which translates into less waste, less energy consumption and greater profitability. Now with the works developed to overcome some difficulties encountered in your first version, we will have a technology -dedicated injection system, with new specific injection equipment and optimized molds to increase the profitability, durability, comfort and quality of our products produced with this technology.