| 主权项 |
1. An article of footwear having an upper and a sole structure secured to the upper, at least a portion of the upper comprising:
a plurality of lace-receiving elements; a base layer and a cover layer that lay adjacent to each other, the base layer and the cover layer extending from the lace-receiving elements to the sole structure along at least one of a medial side and a lateral side of the upper; and a first strand and a second strand that are located between the base layer and the cover layer, the first strand and the second strand laying substantially parallel to surfaces of the base layer and the cover layer for a distance of at least five centimeters, the cover layer being bonded to the base layer, to the first strand, and to the second strand; the first strand and the second strand extending from at least one lace-receiving element of the plurality of lace-receiving elements to an area proximal to the sole structure; the first strand having an approximately vertical orientation between the at least one lace-receiving element and the area proximal to the sole structure; the second strand having a rearwardly-angled orientation between the at least one lace-receiving element and the area proximal to the sole structure, the second strand having at least fifty percent greater tensile strength than the first strand; and wherein upper portions of the first strand and the second strand are located at the same at least one lace-receiving element and lower portions of the first strand and the second strand are offset and spaced apart from each other at the area proximal to the sole structure. |
