Imported Boost midsole Imported Lace closure 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.
Imported Boost midsole Imported Lace closure 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 1 offers
The lowest price for Adidas Ultra Boost 21 Grey Sonic Ink right now is $181.00 at StockX.
The all-time low was $178.00 on 11 Feb 2026 — today's price is 2% above the lowest ever. This is at or near its all-time low — a good time to buy.
Prices last updated 21 Mar 2026.
Adidas Ultra Boost 21 Grey Sonic Ink
Imported Boost midsole Imported Lace closure 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.
Imported Boost midsole Imported Lace closure 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 21/03/2026 04:50:12
adidas Ultra Boost 21 Grey Sonic Ink
Delivery $34.95
| 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
| Nickname | Grey Sonic Ink |
| Colorway | Grey Five/Core Black/Screaming Green |
| Upper Material | Primeknit |
| Technology | Boost |
