Adidas Ultraboost 21Core Black
£160 £96
Included in Black Friday Promotion
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
- FREE DPD Standard Service on orders over £150.00
- £6.99 via DPD Standard Service
- £9.99 via DPD Next Working Day Priority Service
Returns
If for some reason you are not happy with your purchase you can return it to us within 30 days for an exchange or refund.
We are now offering FREE UK returns. For more information please visit our returns page