US Patent 11779078 Article of footwear with zonal cushioning system

An article of footwear includes an upper and a sole structure secured to an underside of the upper. The sole structure includes a midsole; a ground contacting outsole surface; and a cushioning system disposed between the midsole and the ground contacting outsole surface. The cushioning system includes a plate comprising an upper plate and a lower plate provided in a spaced relationship. The upper plate and lower plate are integrally connected at a posterior portion of the sole structure. A midfoot fluid-filled chamber is provided between the upper plate and the lower plate within the midfoot region, and a forefoot fluid-filled chamber is provided between the upper plate and the lower plate within the forefoot region.