| Model | adidas UltraBoost 21 |
| Known as | "Black Signal Green" |
| Brand | |
| Release date | November 28, 2022 |
| Colorway | Crystal White / Core Black / Signal Green |
| Colors | Black, Green, White |
| Style code | S23703 |
| Rating | |
| Type | Original, General Release |
| Gender | Men's |
| Sport | Lifestyle |
Added June 11, 2025 at 1:20:46 PM, Updated October 16, 2025 at 2:49:31 PM
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