Patent ID: 8869430

Claim:
An article of footwear incorporating a sole structure, the sole structure comprising: a midsole that includes a fluid-filled chamber, the fluid-filled chamber comprising: an outer barrier defining an interior void, a tensile structure located within the interior void and bonded to the outer barrier, and a window portion located around at least part of a periphery of the tensile structure; and an outsole secured to the midsole, the outsole forming at least part of a ground-contacting surface of the footwear, wherein the window portion has a first area with a first height and a second area with a second height, the first height of the window portion being greater than the second height of the window portion, and wherein the tensile structure has a first height at a first part adjacent to the first area and a second height at a second part adjacent to the second area, the first height of the tensile structure being substantially the same as the second height of the tensile structure.