US Patent 9289029 Footwear with improved sole assembly

An article of footwear including an outer sole assembly, the outer sole assembly extending lengthwise from a rear end to a front end, widthwise between a lateral side and a medial side, and heightwise between a free surface and a connection surface, the outer sole assembly including a core made of a first material. The core of the outer sole assembly includes a plate that demarcates the connection surface, as well as at least one boss that projects from the plate towards the free surface. The outer sole assembly includes an outer layer made of a second material, the outer layer at least partially demarcating the free surface, the outer layer at least partially covering the plate and at least partially covering a boss.