Method for providing parts of waterproof and breathable shoes, parts of waterproof and breathable shoes provided with the method, and waterproof and breathable soles provided with the shoe parts

This invention describes a way to make parts for waterproof and breathable shoes. It involves using a mold with specific shapes, into which liquid plastic is poured or injected. A flexible sheet, which is both waterproof and breathable, is placed in the mold, and the plastic adheres to it as it hardens, forming the shoe part. One specific version of the method includes a step of putting the mold into a vacuum chamber after the plastic is deposited.