Patent ID: 7367141

Claim:
A waterproof and breathable sole for shoes comprising: a supporting layer which includes at least one macroportion having an area on the order of at least one square centimeter, and wherein said at least one macroportion is made of a perforated mesh material; a membrane that is made of a material that is impermeable to water and permeable to water vapor and is associated above said supporting layer at least in said at least one macroportion made of net, felt or other diffusely perforated material; a tread made of plastic material, said tread including at least one macroperforation extending through the tread, wherein said at least one macroperforation is beneath and in communication with said at least one macroportion made of net, felt or other diffusely perforated material, and wherein said at least one macroperforation of said tread exposes said area on the order of at least one square centimeter of said supporting layer to outside of said tread, said tread being joined hermetically to said membrane and to said supporting layer at least at a perimeter of said at least one macroportion made of net, felt or other diffusely perforated material.