CPC A43B 23/028 (2013.01) [A43B 1/04 (2013.01); A43B 3/04 (2013.01); A43B 3/08 (2013.01); A43B 23/027 (2013.01); A43B 23/0245 (2013.01); A43B 23/0275 (2013.01); A43B 23/042 (2013.01); A43C 1/04 (2013.01); D04B 21/10 (2013.01); D10B 2403/023 (2013.01); D10B 2501/043 (2013.01)] | 18 Claims |
1. An article of footwear comprising:
a sole structure; and
an upper that includes an expanded warp knit element that extends from the sole structure to a lacing region of the upper, the warp knit element being formed of a unitary knit construction and comprising a plurality of multi-sided cell structures including a first side, a second side, a third side, and a fourth side,
wherein each cell structure comprises a bottom junction at the sole structure, a top junction at the lacing region, a first side junction, and a second side junction spaced apart from the first side junction, and
wherein the first side extends from the bottom junction to the first side junction, the second side extends from the first side junction to the top junction, the third side extends from the top junction to the second side junction, and the fourth junction extends from the second side junction to the bottom junction.
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