Patent ID: 7484317

Claim:
A sole structure for a shoe comprising: an upper plate disposed on an upper side of a heel region of the sole structure; a wavy lower plate disposed on a lower side of the heel region of the sole structure and having in the heel region at least two downwardly convex portions of the wavy lower plate that protrude downwardly and are adjacent to one another in a longitudinal direction of the sole structure, and that form voids between the downwardly convex portions and the upper plate, wherein each of the downwardly convex portions extends along an entire width of the heel region of the sole structure, and wherein a rear end of the lower plate is connected to a rear end of the upper plate; and a plurality of outsole portions that are spaced away from one another in the longitudinal direction and that are respectively attached directly to the lower surfaces of the downwardly convex portions of the lower plate, wherein the outsole portions have respective ground contact surfaces thereof being longitudinally spaced away from one another in the longitudinal direction at locations between longitudinally adjacent ones of the downwardly convex portions of the wavy lower plate.