Patent attributes
A vapor-permeable shoe including an upper assembly that wraps around the foot insertion region and is associated, in its plantar region, with a sole that includes at least one vapor-permeable or perforated portion. The upper assembly includes a structural insert that includes at least one waterproof portion sealed impermeably to the sole, covering its vapor-permeable or perforated portion. The waterproof portion includes at least partly a waterproof and vapor-permeable functional element that is impermeable to water in the liquid state and is permeable to water vapor, at least one functional portion of the functional element having such a thickness as to give it a penetration resistance that is greater than approximately 10 N, assessed according to the method presented in chapter 5.8.2 of the ISO 20344-2004 standard.
