| CPC A43B 3/36 (2022.01) [A43B 1/0027 (2013.01); A43B 3/0036 (2013.01); A43B 3/0078 (2013.01); A43B 3/24 (2013.01); A43B 3/34 (2022.01); A43B 5/06 (2013.01); A43B 23/0205 (2013.01); G02F 1/1533 (2013.01); G02F 1/163 (2013.01); G02F 1/15165 (2019.01); G02F 2001/1536 (2013.01)] | 16 Claims |

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1. An article of footwear comprising:
an upper including an exterior surface; and
a color change portion attached to the exterior surface, the color change portion including (i) an outer surface spaced apart from the exterior surface and (ii) a composite material including a photonic lattice layer disposed between a first conductive layer, a second conductive layer, a first terminal layer, and a second terminal layer, the first conductive layer electrically connected to the first terminal layer and the second conductive layer electrically connected to the second terminal layer, the photonic lattice layer operable to receive an electrical signal to change a color of the color change portion.
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