Patent ID: 7168190

Claim:
An article of footwear comprising: an upper; a sole adjacent said upper; and a sock liner disposed in said article of footwear; wherein said sole and said sock liner have corresponding flexure lines, said flexure lines including: a first flexure line in said sole that extends longitudinally through substantially an entire length of the sole and a first flexure line in said sock liner which corresponds with said first flexure line in said sole; a second flexure line in said sole that extends longitudinally through only a portion of the length of the sole and a second flexure line in said sock liner which corresponds with said second flexure line in said sole; and a plurality of third flexure lines in said sole that extend laterally from a medial side to a lateral side of the sole and a plurality of third flexure lines in said sock liner which correspond with said third flexure lines in said sole.