Patent ID: 8732985

Claim:
A sole for an impermeable and breathable shoe, the sole comprising: a support layer having a first side and a second side, the second side being opposite the first side, the support layer comprising an air-permeable region and comprising an insole, the air-permeable region allowing passage of air through the support layer, the air-permeable region being associated with a meshwork fabric, the insole comprising a water-repellent material; a reinforcing element joined to the first side of the support layer in the air-permeable region, the reinforcing element comprising at least one through opening for evacuating air that passes through the air-permeable region; a first membrane disposed above the air-permeable region on the second side of the support layer, the first membrane comprising a waterproof and vapor-permeable material; an air chamber disposed above the air-permeable region defined by a waterproof seal between the first membrane and the support layer, the seal being disposed along a contour around the air-permeable region, the air chamber being reactive to a wearer of the shoe to force air flow from the air chamber through the air-permeable region and the at least one through opening.