Abstract: A mold assembly for soles of an article of footwear includes a first portion having a recess formed therein and a second portion engageable with the first portion. A removable insert is positioned within the recess of the first portion and has a first aperture and a second aperture. The first aperture defines an exterior surface of a sidewall for a first sole formed by the mold assembly. The second aperture defines an exterior surface of a sidewall for a second sole formed by the mold assembly. The first portion, the first aperture, and the second portion define a first cavity for a first sole to be formed in the mold assembly. The first portion, the second aperture, and the second portion define a second cavity for a second sole to be formed in the mold assembly.

Abstract: An article of footwear includes an upper having a forefoot portion, a midfoot portion, a heel portion, and a pocket positioned beneath the forefoot portion. A first midsole portion is received in the pocket. An outer sole assembly is secured to the upper. The outer sole assembly is visible from an exterior of the article of footwear and the first midsole portion is not visible from an exterior of the article of footwear.

Abstract: An article of footwear includes an upper, a sole assembly, and a support assembly positioned in the sole assembly and including a plurality of pillars. Each pillar includes an outer layer and an inner layer of cushioning material contained with the outer layer.