Adidas Ultraboost 21 Running 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 w/ Lace closure and adidas Primeknit+ upper
- Stretchweb outsole with Continental™ Rubber
- Textile lining w/ Supportive heel counter
- Boost midsole
- Weight: 340 g
- Midsole drop: 10 mm (heel 30.5 mm / forefoot 20.5 mm)