Patent ID: 7464490

Claim:
A multilayered sole, comprising: an insole extending from a toe area to a heel area and having a rigid member and a flexible member for enhancing flexibility; a midsole extending from the toe area to the heel area and having a cushioning material and a structural material for enhancing comfort; said structural material includes a top surface, a bottom surface, and an edge defined by a shortest distance between said top and bottom surfaces of said structural material, said edge of said structural material having a recess that extends along the edge and does not intersect the top and bottom surfaces; said cushioning material includes a top surface, a bottom surface and an edge defined by a shortest distance between said top and bottom surfaces of said cushioning material, said edge of said cushioning material having a protrusion that extends along the edge and does not intersect the top and bottom surfaces and is sized to fit within said recess for securing said structural and cushioning materials together; and an outsole.