Patent ID: 6305100
Filing Date: 2001-10-23
Classification: A43B

Abstract:
An article of footwear having a ventilated sole system, comprising:a dual-layer sole system having an inner sole and an outer sole, said inner and said outer sole having a length and a width, said inner sole and said outer sole being integrated together and forming an air-cavity therebetween, said air cavity being continuous and having an unobstructed area encompassing a majority of said width and said length of said outer sole for acting as an interfacing medium, said dual-layer sole system including a plurality of bi-directional ventilation ports, said bi-directional ventilation ports extending from said air-cavity to an area outside said article of footwear, wherein said inner sole of said dual-layer sole system is integrated with said outer sole through (a) a plurality of concave-shaped structural ridges that are concave in a direction parallel to air flow that passes through said bi-directional ventilation ports and said inner sole, (b) a heel member and (c) a toe member; wherein said concave-shaped structural ridges, said heel member and said toe member are disposed along a periphery of said air cavity as well as a periphery of said dual-layer sole system, and wherein said inner sole is made of a flexible but non-stretchable material.