[Looking for the latest version? The women's adidas Ultraboost 22 is available now.]With premium style and comfort, you’ll feel like you’re flying in the new adidas Ultraboost 21. The Ultraboost has been a go-to-shoe for runners and comfort seekers looking for a high-cushioned shoe that looks just as good as it feels A super lightweight and breathable Primeknit+ sock-like upper keeps your feet cool and comfortable for all-day wear, and a well-rounded heel supports the back of your foot for extra security when you’re pushing top speeds. Fun for running, walking and working out in, adidas’ extra springy Boost foam now features 6% more capsules underfoot for an even softer landing and higher energy return that is sure to put an extra pep in your step. Designers also improved the firmness and flexibility of the forefoot in the Ultraboost 21 to give you a stable foundation to push off of when you’re looking for some extra quickness. To top it off, the fit and design look good with every outfit making the adidas UltraBoost 21 one of the most versatile running shoes in your closet.