| Model | adidas UltraBoost 21 |
| Known as | "Black Yellow Blue" |
| Brand | |
| Release date | September 5, 2021 |
| Colorway | Carbon Black / Yellow / Blue |
| Colors | Black, Yellow, Blue |
| Style code | GY6312 |
| Rating | |
| Type | Original, General Release |
| Gender | Men's |
| Sport | Running |
Added June 11, 2025 at 1:22:01 PM, Updated October 17, 2025 at 4:54:58 PM
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