adidas Ultraboost 5X Sneaker Review: The Fan-Favorite Running Shoes Get a Makeover for Comfort and Speed

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Once upon a time, the Samba wasn’t adidas’ most popular shoe. Its famous Ultraboost line has dominated sneaker store shelves for nearly a decade as some of the best running shoes of all time. This summer, adidas upped the ante with its Ultraboost 5X sneaker...