Adidas added more Boost to the Ultraboost 21 Running Shoe to give us maximum cushioning and effortless energy return. The twenty iterations before this version were already incredibly comfortable, but the extra foam and fresh upper feel like a whole new dream. The supportive, mostly-mesh upper grants a secure fit that's intended for comfort through the miles.
Adidas added more Boost to the Ultraboost 21 Running Shoe to give us maximum cushioning and effortless energy return. The twenty iterations before this version were already incredibly comfortable, but the extra foam and fresh upper feel like a whole new dream. The supportive, mostly-mesh upper grants a secure fit that's intended for comfort through the miles.
in 2 offers
The lowest price for Adidas Ultraboost 21 Shoes Black Women - 40 right now is $207.99 at Boutique Retailer, compared across 2 retailers.
The all-time low was $174.99 on 30 Dec 2025 — today's price is 19% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 13 May 2026.
Adidas Ultraboost 21 Shoes Black Women - 40
Adidas added more Boost to the Ultraboost 21 Running Shoe to give us maximum cushioning and effortless energy return. The twenty iterations before this version were already incredibly comfortable, but the extra foam and fresh upper feel like a whole new dream. The supportive, mostly-mesh upper grants a secure fit that's intended for comfort through the miles.
Adidas added more Boost to the Ultraboost 21 Running Shoe to give us maximum cushioning and effortless energy return. The twenty iterations before this version were already incredibly comfortable, but the extra foam and fresh upper feel like a whole new dream. The supportive, mostly-mesh upper grants a secure fit that's intended for comfort through the miles.
Last updated at 13/05/2026 00:37:32
Adidas Womens Ultraboost 21 Running Trail Shoes - Black/Grey (Athletic Sneakers)
Free delivery between 18–22 May
Adidas Women's Ultraboost 21 Running Shoes (Black/Black/Grey Four, Size 8 US)
Free delivery
| Footwear Size | – Women's 8 (US) |
| Occasion | – Running |
| Release date Australia | March 30th, 2022 |
| Footwear Size Womens US | 8 |
Adidas Womens Ultraboost 21 Running Trail Shoes - Black/Grey (Athletic Sneakers)
Free delivery between 18–22 May
Adidas Women's Ultraboost 21 Running Shoes (Black/Black/Grey Four, Size 8 US)
Free delivery
| Footwear Size | – Women's 8 (US) |
| Occasion | – Running |
| Release date Australia | March 30th, 2022 |
| Footwear Size Womens US | 8 |
