A method of manufacturing footwear includes providing a first upper having a first size and positioning a first cushioning member, having a first recess of a first size, beneath the first upper. The first cushioning member is secured to the first upper and a first sole assembly to form a first article of footwear having a first size. A second cushioning member is positioned beneath a second upper having a second size different than the first upper's size. The second cushioning member has a second recess of a second size formed in an upper surface thereof, with the second size being different than the first size of the first recess. The second cushioning member is secured to the second upper and a second sole assembly to form a second article of footwear having a second size different than the first size of the first article of footwear.