Article of footwear including a sole structure

An article of footwear comprising:

• a heel region including a posterior end of the article of footwear, a mid-foot region, and a forefoot region including an anterior end of the article of footwear;
• a lateral side, and a medial side opposite the lateral side;
• an upper;
• and
• a sole structure, the sole structure coupled to the upper, and wherein the sole structure further comprises;
• a cushioning element disposed in the heel region, the cushioning element including a plurality of tubes including at least a first tube and a second tube, the cushioning element further including a plurality of webs including at least a first web, the first web extending between the first tube and at least one other tube of the plurality of tubes,
• wherein each of the first tube and the second tube extends between the lateral side of the article of footwear and the medial side of the article of footwear along a medial-lateral direction,
• wherein the first tube includes a contained fluid volume at a first pressure, and the second tube includes a contained fluid volume at a second pressure, wherein the first pressure and the second pressure are equal to one another and greater than atmospheric pressure, and wherein the first tube and second tube are fluidly isolated from each other, and
• wherein the plurality of webs are formed by a first barrier film of the cushioning element and a second barrier film of the cushioning element being bonded to one another, and the plurality of webs cooperating with a peripheral seam to bound and extend around each of the plurality of tubes, wherein the peripheral seam is disposed on a bottom surface of the cushioning element.