US Patent 12064002 Article of footwear

An article of footwear includes an upper having a first ground facing surface. A primary sole part has a first foot facing surface and a second ground facing surface. The first foot facing surface includes a plurality of openings. Each opening defines a volume extending in a vertical direction from the first foot facing surface towards the second ground facing surface, which has a closed end. A secondary sole part has a second foot facing surface and a third ground facing surface. The secondary sole part is arranged between the upper and the primary sole part and extends into the plurality of volumes and/or openings in the first foot facing surface of the primary sole part.