Nike on Twitter: "@CapricornColey Great question, Nichole. FITSOLE is a specific type of footwear insert that provides optimal cushion and support for running. Let us know if we can help with anything
Nike Fitsole, Size 6 1/2 Women's Shoe, Black | eBay
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Nike | Shoes | Nike Fitsole Sneaker | Poshmark
Nike Fitsole Lite Run 2 Black & Blue Running Shoes Sneakers Size 6 - $14 (84% Off Retail) - From Mia