adidas sport performance ultraboost 21 j core black core black core bla CZ8340-576 hard wearing

hard wearing

both before and after your workouts

Elongated design lines and distorted proportions on the upper elevate an icon into a modern space

Elastic waist with drawstring enables an adjustable fit

adidas sport performance ultraboost 21 j core black core black core bla CZ8340-576 hard wearingEnergy 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. Lace closure Textile upper Boost midsole Rubber outsole