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Adidas Women's Ultraboost 21 Shoes (Black/Black/Grey Four) 7.5 US
Adidas Women's Ultraboost 21 Shoes (Black/Black/Grey Four) 7.5 US
Adidas Women's Ultraboost 21 Shoes (Black/Black/Grey Four) 7.5 US
Adidas Women's Ultraboost 21 Shoes (Black/Black/Grey Four) 7.5 US
Adidas Women's Ultraboost 21 Shoes (Black/Black/Grey Four) 7.5 US
Adidas Women's Ultraboost 21 Shoes (Black/Black/Grey Four) 7.5 US
Adidas Women's Ultraboost 21 Shoes (Black/Black/Grey Four) 7.5 US
Adidas Women's Ultraboost 21 Shoes (Black/Black/Grey Four) 7.5 US
Adidas Women's Ultraboost 21 Shoes (Black/Black/Grey Four) 7.5 US
Adidas Women's Ultraboost 21 Shoes (Black/Black/Grey Four) 7.5 US
Adidas Women's Ultraboost 21 Shoes (Black/Black/Grey Four) 7.5 US
Adidas Women's Ultraboost 21 Shoes (Black/Black/Grey Four) 7.5 US
Adidas Women's Ultraboost 21 Shoes (Black/Black/Grey Four) 7.5 US
Adidas Women's Ultraboost 21 Shoes (Black/Black/Grey Four) 7.5 US
Adidas Women's Ultraboost 21 Shoes (Black/Black/Grey Four) 7.5 US
Adidas Women's Ultraboost 21 Shoes (Black/Black/Grey Four) 7.5 US

Adidas Women's Ultraboost 21 Shoes (Black/Black/Grey Four) 7.5 US

(157 reviews)

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.

$207.99

in 1 offers

The lowest price for Adidas Women's Ultraboost 21 Shoes (Black/Black/Grey Four) 7.5 US right now is $207.99 at Boutique Retailer.

The all-time low was $174.99 on 25 Nov 2025 — today's price is 19% above the lowest ever. That's a little above the best price we've seen.

Prices last updated 9 May 2026.

Size:

4
6½

Adidas Women's Ultraboost 21 Shoes (Black/Black/Grey Four) 7.5 US

$207.99

(157 reviews)

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.

7½
8½
11

Price comparison

Price data powered by pricesAPI.io

Last updated at 09/05/2026 11:49:27

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
Boutique Retailer

$207.99

Adidas Womens Ultraboost 21 Running Trail Shoes - Black/Grey (Athletic Sneakers)

Free delivery between 13–19 May

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Specification

SportRunning
Product classShoe
TerrainRoad

Price comparison

Updated about 2 months ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
Boutique Retailer

$207.99

Out of stock

Adidas Womens Ultraboost 21 Running Trail Shoes - Black/Grey (Athletic Sneakers)

Free delivery between 13–19 May

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Specification

SportRunning
Product classShoe
TerrainRoad