Patent ID: 7716851
Filing Date: 2010-05-18
Classification: A43B

Abstract:
1. A waterproof and breathable sole for shoes comprising: a supporting layer which includes a plurality of macroportions having an area on the order of at least one square centimeter; 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 plurality of macroportions; a tread made of plastic material, said tread including a plurality of macroperforations extending through the tread, wherein said plurality of macroperforations are beneath and in communication with said plurality of macroportions, wherein said plurality of macroperforations of said tread exposes said area on the order of at least one square centimeter of said supporting layer to outside of said tread; and wherein said tread is hermetically sealed to said membrane and to said supporting layer about a periphery of each macroportion.