Patent ID: 9737114
Date: 2017-08-22
CPC Classifications: A43B

Claim:
1. An article of footwear having an upper and a sole structure, the upper defining an interior void for receiving a foot of a wearer and comprising: an outer layer forming part of an exterior surface of the footwear and having a plurality of outer apertures, at least one of the outer apertures being positioned at a rearward-facing portion of a heel region of the footwear; an inner layer positioned adjacent the interior void and forming part of an interior surface of the footwear, the inner layer having a plurality of inner apertures; and a fluid-filled chamber element positioned at least partially between the outer layer and the inner layer, the chamber element including: an interior bond positioned on one of a lateral side of the upper and a medial side of the upper, and a plurality of subchambers positioned adjacent to at least fifty percent of a periphery of the interior bond, the subchambers being in fluid communication with each other, and each of the subchambers protruding at least partially through one of the plurality of outer apertures and each of the subchambers protruding at least partially through one of the plurality of inner apertures.