Layers are modular sneakers that were designed for the circular economy. The modular design allows to extend the life of the product by upgrading, reusing, remanufacturing and recycling. This design also stimulates the sensory part of the user, through the adaptability and customization of the product in terms of colors, materials, shapes and finishes. This project becomes innovative by making it possible to increase the useful life of the product, sensorially stimulate the client, and mainly by transforming the product's life cycles from disposable to renewable.