adidas 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 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.
in 1 offers
adidas 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 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.
Size
Last updated at 08/07/2025 04:17:10
| Release Date | 01-28-2021 |
| Nickname | Hi-Res Yellow |
| Colorway | Hi-Res Yellow/Cloud White/Hazy Rose |
| Upper Material | Primeknit+ |
| Technology | Boost |
| Release Date | 01-28-2021 |
| Nickname | Hi-Res Yellow |
| Colorway | Hi-Res Yellow/Cloud White/Hazy Rose |
| Upper Material | Primeknit+ |
| Technology | Boost |
