Article with overlay secured to bladder element over image and method of manufacturing the article

A method of manufacturing an article comprising:

• forming a fluid-filled bladder element from polymeric material;
• securing an overlay to the polymeric material;
• wherein at least one portion of the overlay is substantially transparent, and an image on one of the polymeric material and the overlay is aligned with the at least one portion of the overlay that is substantially transparent;
• and
• assembling the fluid-filled bladder element in the article so that a first portion of the fluid-filled bladder element and the image are exposed to view through the at least one portion of the overlay that is substantially transparent, and a second portion of the fluid-filled bladder element is blocked from view by the article;
• wherein the article is an article of footwear having a sole assembly that includes an outsole;
• wherein at least a portion of the outsole is substantially transparent;
• and
• wherein said assembling comprises securing the fluid-filled bladder element to the outsole so that the image and the at least one portion of the overlay that is substantially transparent are exposed to view through the portion of the outsole that is substantially transparent.