The first Ultraboost. The one that started it all. These adidas Ultraboost shoes were originally designed in 2015 to revolutionize the running market. And they did. Then they became a street-style icon. Whether you're running or just hanging out, the energy return of adidas BOOST keeps your feet moving comfortably. The adidas PRIMEKNIT upper provides an optimal fit, and the rubber outsole gives you traction for all your city adventures.