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2021
424 x Arsenal FC x UltraBoost 21 'Black Scarlet'
The 424 x Arsenal FC x adidas UltraBoost 21 ‘Black Scarlet’ is taken from a larger collection that brings together the LA-based retailer and the London football club. A monochromatic black finish is executed on the Primeknit upper, made in part with recycled Parley Ocean Plastic and accented with a 424 tongue tag in a contrasting red hue — a nod to the interior architecture of Emirates Stadium. Responsive cushioning arrives via a full-length Boost midsole, painted black and supported by a Continental rubber outsole in a secondary pop of scarlet.
| Release Date | 03-16-2021 |
| SKU | GV9716 |
| Nickname | Black Scarlet |
| Colorway | Core Black/Carbon/Scarlet |
| Main Color | Black |
| Upper Material | Primeknit |
| Technology | Boost |
| Category | Running |