Patent 9009991 was granted and assigned to Nike, Inc. on April, 2015 by the United States Patent and Trademark Office.
A sole structure for an article of footwear and a method of making the sole structure is disclosed. The sole structure can include an outsole and a midsole. The midsole includes a cavity with a protruding portion. A U-shaped transparent member is configured to cover the cavity so that the protruding portion remains visible from within the cavity.