An article of footwear and a method of manufacturing the footwear are disclosed. The footwear has an upper and a sole structure. The upper is secured to sole structure and the upper is formed from three layers: a first layer, a second layer, and a third layer. The second layer is formed from a polymer...http://www.google.co.uk/patents/US7793434?utm_source=gb-gplus-sharePatent US7793434 - Article of footwear having an upper with a structured intermediate layer
