US Patent 10085515 Shoe with waterproof and vapor-permeable sole and upper

A shoe including a waterproof and vapor-permeable sole and an assembly associated in an upper region with respect to the sole. The assembly includes: an external vapor-permeable upper, an internal lining and, interposed between them, a first waterproof and vapor-permeable functional element, and a perforated or vapor-permeable insole, which is joined in a perimetric region at least to the lining. A flexible waterproof element is associated in a lower region with respect to the insole, at least partially perforated or vapor-permeable at a vapor permeation area, the sole being joined perimetrically to form a seal to the assembly and to the flexible element.