The research project aims to produce innovative yarns through the nano fiber electrospinning process with the aim of recovering and recycling mainly cotton waste from the various textile processes, achieving the aim of reducing the quantity of material that becomes waste. The project involves different phases of development, transformation, finishing and deposition of nano fibres, so as to obtain products with comfort characteristics, new functions and sustainability. The project ends with the creation of prototypes of clothing items that demonstrate the feasibility and applicability of the process.