US Patent 7378141 Clothing ventilation device allowing the human body to breathe

A ventilation device to be applied to items of clothing, which includes an assembly with through holes, which is composed of a band of material that is at least partially transparent and impermeable and is configured to be arranged externally. A layer is provided to be placed in view and is made of natural or synthetic fabric or natural or synthetic leather. At least one layer of adhesive polymeric material mutually joins the outer band and the layer, between which it is sandwiched. A membrane which is impermeable to water and permeable to vapor, provided to be arranged internally, is sealed at least perimetrically to the assembly on the side of the layer to be placed in view.