Patent ID: 8887411
Filing Date: 2014-11-18
Classification: A43B

Abstract:
1. An article of footwear having a sole and an upper attached to the sole, wherein the upper comprises: a forefoot portion; a mid-section portion; a rearfoot portion; and an expansion joint comprising a first elongated portion for allowing relative movement between the forefoot portion and the mid-section portion corresponding to relative movement between the forefoot and midfoot of a wearer's foot during use and a second elongated portion for allowing relative movement between the mid-section portion and the rearfoot portion corresponding to relative movement between the midfoot and rearfoot of the wearer's foot during use, the first elongated portion and the second elongated portion intersecting at a portion of the upper proximate a top edge of the upper; wherein the first elongated portion is disposed between the forefoot portion and the mid-section portion, wherein the second elongated portion extends along adjacent linear edges of the mid-section portion and the rearfoot portion, wherein the forefoot portion, the mid-section portion, and the rearfoot portion are formed of non-stretch materials; and wherein the mid-section portion is in contact with the sole.