Ultraboost 21 ShoesSock-like fitLace closureadidas Primeknit+ upperTextile liningSupportive heel counterBoost midsoleWeight: 340 gMidsole drop: 10 mm (heel 30.5 mm / forefoot 20.5 mm)PrimeblueProduct code: FY0306
Energy 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.
Item no. 76049