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2021
LEGO x UltraBoost 21 J 'Color Pack - Shock Blue'
Launching as part of the kids’ ‘Color Pack,’ the LEGO x adidas UltraBoost 21 J ‘Shock Blue’ carries a Cloud White textile upper with tonal reflective detailing throughout the forefoot. Contrasting hits of blue land on the suede forefoot overlay, signature three-stripes and molded heel counter, the latter two components featuring a studded texture that recalls the look of LEGO bricks. Responsive cushioning comes courtesy of a full-length Boost midsole, supported underfoot by a Stretchweb Continental rubber outsole. Dual LEGO and adidas branding decorates the tongue tag and sockliner.
| Release Date | 07-29-2021 |
| SKU | GX2549 |
| Nickname | Color Pack - Shock Blue |
| Colorway | Cloud White/Shock Blue/Core Black |
| Main Color | White |
| Upper Material | Primeknit |
| Technology | Boost |
| Category | Running |