Patent ID: 9107478
Filing Date: 2015-08-18
Classification: A43B,A43C

Abstract:
1. An article of footwear, comprising: an upper having an acute angular opening in a vamp region, a base of the acute angular opening being disposed in a first region of the vamp proximate to a forefoot region of the article of footwear and an end of the acute angular opening being disposed in a second region of the vamp proximate to an ankle opening region of the article of footwear; and at least one lace having a length, comprising a first thickness in a center region of the lace length, and a second thickness at a first end region of the lace and a third thickness at a second end region of the lace, and a change in thickness of the lace between the first thickness and the second thickness and third thickness varying continuously and gradually along the length lace from the center region to the first end region and the second end region, respectively, wherein the at least one lace comprises a continuous transition in thickness from the center region to the first end region and the second end region.