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2017
UltraBoost Uncaged 'Silver Boost'
Released in February 2017, the adidas Ultra Boost Uncaged 'Silver Boost' features a two-tone grey Primeknit upper and a metallic silver Boost midsole. The shoe also comes with a sock-like collar, black heel counters, silver branding, and grey Continental rubber outsole.
| Release Date | 02-16-2017 |
| SKU | BA7997 |
| Nickname | Silver Boost |
| Colorway | Multi Solid Grey/Solid Grey/Silver Metallic |
| Main Color | Silver |
| Upper Material | Primeknit |
| Technology | Boost |
| Category | Running |
| Designer | Ben Herath |