Adidas Ultraboost 21 Black White

Style No. S23867

Color: Core Black / Cloud White / Pulse Aqua

STEP UP YOUR RUNS IN THESE ULTRABOOST 21 SHOES.

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.

Sock-like fit

Lace closure

adidas Primeknit+ textile upper

Boost midsole

Textile lining

Weight: 10.9 ounces

Midsole drop: 10 mm (heel: 24.2 mm / forefoot: 14.2 mm)

Continental™ Rubber outsole

Primeblue