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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+ upper
- Textile lining
- Supportive heel counter
- Boost midsole
- Primeblue is a high-performance recycled material made in part with Parley Ocean Plastic.
- STRETCHWEB WITH CONTINENTAL:
- RUBBER OUTSOLE WITH SUPERIOR GRIP THAT ADAPTS TO EVERY RUNNER'S FOOTSTRIKE BY MOVING IN HARMONY WITH BOOST TO PROVIDE A SMOOTHER ANDMORE FLEXIBLE RIDE.