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2021
UltraBoost 21 'Black Iridescent'
The adidas UltraBoost 21 ‘Black Iridescent’ pairs a responsive ride with a sustainable build. Made in part with Parley Ocean Plastic, the black Primeknit upper is fortified with translucent TPU on the external heel counter and midfoot cage, the latter accented with three-stripe branding in an iridescent bronze finish. The sneaker rides on a full-length Boost midsole that packs 6% more Boost capsules than the shoe’s predecessor. Underfoot, a Continental Rubber outsole yields grippy traction.
| Mise en vente | 10-31-2021 |
| SKU | GX5236 |
| Surnom | Black Iridescent |
| Coloris | Core Black/Core Black/Grey Five |
| Couleur principale | Black |
| Matière supérieure | Primeknit |
| Technologie | Boost |
| Catégorie | Running |