Patent ID: 11957205
Assignee: SR HOLDINGS, LLC
Field: Other consumer goods (Other fields)
Classification: CPC A | IPC A

Claim 0:
1. A footwear construction comprising:
a first midsole constructed from a first material having a first durometer, the first midsole including a first midsole upper surface configured to face toward a user's foot placed within the footwear construction, and an opposing first midsole lower surface;
a second midsole constructed from a second material having a second durometer, the second durometer being less than the first durometer, the second midsole including a second midsole upper surface that is joined with the first midsole lower surface, the second midsole upper surface defining a plurality of downwardly extending first apertures and downwardly extending second apertures, the second midsole upper surface directly joined with the first midsole lower surface around an upper end of each of the first and second apertures such that the first midsole lower surface closes the first and second apertures, the second midsole having a second midsole lower surface that is convoluted and includes a plurality of peaks surrounded by a plurality of valleys, the plurality of first apertures extending downward from the second midsole upper surface into the plurality of peaks a first distance, the plurality of second apertures extending downward from the second midsole upper surface toward the valleys a second distance, the plurality of peaks comprising:
a plurality of first peaks that have substantially circular cross sections in a lateral direction of the footwear and substantially circular cross sections in a longitudinal direction of the footwear that decrease in size as the first peaks extend away from the first midsole so that the first peaks provide a first firmness, the plurality of first peaks being downwardly extending away from the second midsole upper surface, and
a plurality of second peaks that have horizontal cross sections truncated by a second midsole outer sidewall so that the second peaks provide a second firmness that is greater than the first firmness along an outer perimeter of the second midsole; and
an outsole layer disposed over the plurality of first peaks, the plurality of second peaks, the plurality of valleys and the second midsole outer sidewall.