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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.
u:10162024
Narrower heel fit & lower instep curve for a snug feeling, designed to avoid heel slip and blisters.
Newly refined outsole for softer cushioning and designed to help you say goodbye to overpronation.
Including a continental natural rubber outsole and an upper made with yarn containing 50% Parley Ocean Plastic.
Own your energy with "the best women's running shoes around by a mile" – awarded by leading tech magazine, T3.