Adidas Ultraboost 21Core Black
USD$209 USD$125
NZ$211
You will be charged in USD.
Exchange rate
NZ$1.00 = $0.594
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Description
Every year sees a more innovative version of the esteemed adidas Ultraboost, and 2021 certainly doesn’t disappoint. Future-approved, this core black pair’s signature knit uppers are reimagined with Primeblue — a high-performance material crafted from ocean plastic yarn — while a new Torsion System ensures the most responsive run yet. Exploding with energy, they’re redeveloped here with 6% more boost™ capsules for a chunkier look and a stronger stride.
- Primeknit+ Uppers
- Sock-Like Construction
- Torsion System
- boost™ Cushioning
- Continental™ Rubber Outsole
- Style Code: FY0306
Sizing
Please note sizes may vary between styles, we recommend using size conversions as a guide.
| US Men | US Women | EU | CM | |
|---|---|---|---|---|
| UK 3 | 3.5 | 4.5 | 35 2/3 | 21.8 |
| UK 3.5 | 4 | 5 | 36 | 22.1 |
| UK 4 | 4.5 | 5.5 | 36 2/3 | 22.5 |
| UK 4.5 | 5 | 6 | 37 1/3 | 22.9 |
| UK 5 | 5.5 | 6.5 | 38 | 23.3 |
| UK 5.5 | 6 | 7 | 38 2/3 | 23.8 |
| UK 6 | 6.5 | 7.5 | 39 1/3 | 24.2 |
| UK 6.5 | 7 | 8 | 40 | 24.6 |
| UK 7 | 7.5 | 8.5 | 40 2/3 | 25 |
| UK 7.5 | 8 | 9 | 41 1/3 | 25.5 |
| UK 8 | 8.5 | 9.5 | 42 | 25.9 |
| UK 8.5 | 9 | 10 | 42 2/3 | 26.3 |
| UK 9 | 9.5 | 10.5 | 43 1/3 | 26.7 |
| UK 9.5 | 10 | 11 | 44 | 27.1 |
| UK 10 | 10.5 | 11.5 | 44 2/3 | 27.6 |
| UK 10.5 | 11 | 12 | 45 1/3 | 28 |
| UK 11 | 11.5 | 12.5 | 46 | 28.4 |
| UK 11.5 | 12 | 13 | 46 2/3 | 28.8 |
| UK 12 | 12.5 | 13.5 | 47 1/3 | 29.3 |
| UK 12.5 | 13 | 14 | 48 | 29.7 |
| UK 13 | 13.5 | 14.5 | 48 2/3 | 30.1 |
| UK 13.5 | 14 | 15 | 49 1/3 | 30.5 |
| UK 14 | 14.5 | 15.5 | 50 | 31 |
Shipping
- USD$19.99 via FedEx IC Plus Service
- FREE FedEx IC Plus Service on orders over USD$375
- USD$39.99 via FedEx Priority Service
Returns
If for some reason you are not happy with your purchase you can return it to us within 14 days for an exchange or refund.
For more information please visit our returns page