NIKE, Inc.
Sole structure for an article of footwear having a nonlinear bending stiffness

Abstract:

A sole structure for an article of footwear comprises a first sole plate that includes a forefoot region, a foot-receiving surface, and a lower surface opposite the foot-receiving surface. The first sole plate has a plurality of slots including a first slot, and a second slot rearward of the first slot. The plurality of slots is disposed in the forefoot region and extends generally transversely and entirely through the first sole plate from the foot-receiving surface to the lower surface. The sole structure includes at least one rib, referred to as a first rib, disposed between the first slot and the second slot. The sole structure also includes a second sole plate secured to the lower surface of the first sole plate both forward of the plurality of slots and rearward of the plurality of slots. The second sole plate is detached from the first rib.