Prototype after prototype. Innovation after innovation. Testing after testing. Meet us in the hot pursuit of the pinnacle harmonization of weight, cushioning, and responsiveness. Ultraboost 21. Say hello to incredible energy return.
Prototype after prototype. Innovation after innovation. Testing after testing. Meet us in the hot pursuit of the pinnacle harmonization of weight, cushioning, and responsiveness. Ultraboost 21. Say hello to incredible energy return.
in 2 offers
The lowest price for Adidas Ultraboost 21 'Grey Sonic Ink' Mens Sneakers - Size 10.0 right now is $190.00 at StockX, compared across 2 retailers.
The all-time low was $190.00 on 14 May 2026. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 14 May 2026.
Adidas Ultraboost 21 'Grey Sonic Ink' Mens Sneakers - Size 10.0
Prototype after prototype. Innovation after innovation. Testing after testing. Meet us in the hot pursuit of the pinnacle harmonization of weight, cushioning, and responsiveness. Ultraboost 21. Say hello to incredible energy return.
Prototype after prototype. Innovation after innovation. Testing after testing. Meet us in the hot pursuit of the pinnacle harmonization of weight, cushioning, and responsiveness. Ultraboost 21. Say hello to incredible energy return.
Last updated at 14/05/2026 14:36:10
adidas Ultra Boost 21 Grey Sonic Ink
Delivery $34.95
adidas UltraBoost 21 'Grey Sonic Ink' | Men's Size 10
Delivery between 16–23 May $25
| Release Date | 08-31-2021 |
| Nickname | Grey Sonic Ink |
| Colorway | Grey Five/Core Black/Screaming Green |
| Upper Material | Primeknit |
| Technology | Boost |
adidas Ultra Boost 21 Grey Sonic Ink
Delivery $34.95
adidas UltraBoost 21 'Grey Sonic Ink' | Men's Size 10
Delivery between 16–23 May $25
| Release Date | 08-31-2021 |
| Nickname | Grey Sonic Ink |
| Colorway | Grey Five/Core Black/Screaming Green |
| Upper Material | Primeknit |
| Technology | Boost |
