| Model | adidas UltraBoost 21 |
| Known as | "Black Iridescent" |
| Brand | |
| Release date | October 30, 2021 |
| Colorway | Carbon Black / Orangeyellow |
| Colors | Black, Orange, Yellow, Silver |
| Style code | GX5236 |
| Rating | |
| Type | Original, General Release |
| Gender | Men's |
| Sport | Lifestyle |
Added June 11, 2025 at 1:21:51 PM
Related
adidas UltraBoost 21 "Solid Grey"
September 24, 2023
adidas UltraBoost 21 "White Sonic Ink"
September 24, 2023
adidas UltraBoost 21 "Tokyo"
September 24, 2023
adidas Ultraboost 21 "Solar Red Black"
June 14, 2023
adidas UltraBoost 21 "White Tint Rose Tone"
May 26, 2023
Gore-Tex x adidas UltraBoost 21 "Black Signal Green"
November 28, 2022