| Model | adidas UltraBoost 21 |
| Known as | "Carbon Solar Red" |
| Brand | |
| Release date | June 10, 2021 |
| Colorway | Brown |
| Colors | Brown, Black, Gray, Red |
| Style code | FY3952 |
| Rating | |
| Type | Original, General Release |
| Gender | Men's |
| Sport | Running |
Added June 11, 2025 at 1:32:49 PM, Updated October 17, 2025 at 4:55:06 PM
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