Fusing comfort and performance-enhancing technology, the women's Ultra Boost 4.0 'Core Black' updates the iconic Ultra Boost silhouette. The sneaker boasts a Core Black Primeknit upper with a ribbed effect, a molded Fitcounter heel for a broader range of movement, and a burrito tongue for an easy fit. The sneaker also boasts a Boost midsole for lightweight cushioning and a Stretchweb outsole for an energizing fit.
