adidas UltraBOOST 21 Black Carbon Grey

ENERGY WAS JUST ENERGY UNTIL ENERGY MET ULTRABOOST 21. Prototype after prototype. Innovation after innovation. Testing after testing. Meet us in the hot pursuit of the pinnacle harmonization of weight, cushioning, and responsiveness. Ultraboost 21. Say hello to incredible energy return. Brand new in box. Price is firm. Listing converted to women’s sizing. Box lists men’s size.