Patent ID: 9554622
Date: 2017-01-31
CPC Classifications: A43B

Claim:
1. A sole structure, comprising: a midsole component and an inner sole component; the midsole component having a longitudinal direction extending along a length of the sole structure, a lateral direction extending along a width of the sole structure, and a vertical direction that is perpendicular to the longitudinal direction and the lateral direction; the midsole component including a plurality of holes arranged in an auxetic configuration; wherein the auxetic configuration is configured such that when the midsole component is under longitudinal tension it expands in both the longitudinal direction and the lateral direction and when the midsole component is under lateral tension it expands in both the lateral direction and the longitudinal direction; wherein the plurality of holes includes at least one through hole that extends through a thickness of the midsole component in the vertical direction between an inner surface and an outer surface of the midsole component; the midsole component being shaped to receive the inner sole component, wherein the inner sole component is disposed against the inner surface of the midsole component; and wherein a first density of the midsole component is different than a second density of the inner sole component.