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.
adidas Primeknit+ textile upper
Supportive heel counter
Weight: 10.9 ounces
Midsole drop: 10 mm (heel: 24.2 mm / forefoot: 14.2 mm)