US Patent 12102169 Chassis system for footwear

An article of footwear includes a chassis, and the chassis includes a body having a toe end, a heel end, a top surface, and a bottom surface. A distance from the top surface to the bottom surface is a thickness of the chassis, and the body defines a perimeter of the chassis. The chassis may include an aperture within the perimeter of the chassis that extends through the thickness of the chassis. A center region of the body between the toe end and the heel end may include a cored region having a cavity defined in the top surface of the body and at least one vertical support within the cavity. In some aspects, the body includes a non-uniform thickness.