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Adidas Ultraboost 21 'Core Black' Sneakers | Men's Size 11.5
Adidas Ultraboost 21 'Core Black' Sneakers | Men's Size 11.5
Adidas Ultraboost 21 'Core Black' Sneakers | Men's Size 11.5
Adidas Ultraboost 21 'Core Black' Sneakers | Men's Size 11.5
Adidas Ultraboost 21 'Core Black' Sneakers | Men's Size 11.5
Adidas Ultraboost 21 'Core Black' Sneakers | Men's Size 11.5
Adidas Ultraboost 21 'Core Black' Sneakers | Men's Size 11.5
Adidas Ultraboost 21 'Core Black' Sneakers | Men's Size 11.5
Adidas Ultraboost 21 'Core Black' Sneakers | Men's Size 11.5
Adidas Ultraboost 21 'Core Black' Sneakers | Men's Size 11.5
Adidas Ultraboost 21 'Core Black' Sneakers | Men's Size 11.5
Adidas Ultraboost 21 'Core Black' Sneakers | Men's Size 11.5
Adidas Ultraboost 21 'Core Black' Sneakers | Men's Size 11.5

Adidas Ultraboost 21 'Core Black' Sneakers | Men's Size 11.5

(855 reviews)

The adidas Ultra Boost 21 Core Black is a running shoe from the Ultra Boost 2021 collection in a Core Black colorway. This shoe features an upper made of PRIMEBLUE, a recycled high-performance fabric made from recycled polyester from Parley Ocean Plastic. The upper also features a semi-translucent lace cage, a tonal adidas mountain logo branding on the tongue patch, and an Ultra Boost-branded back heel counter. This shoe rests on a chunkier sole unit with an improved Torsion system, comprising a White midsole and a rubber outsole with additional 6% Boost capsules for a firm stride. The adidas Ultra Boost 21 Core Black was released on January 28th, 2021, it retailed at $180.

The adidas Ultra Boost 21 Core Black is a running shoe from the Ultra Boost 2021 collection in a Core Black colorway. This shoe features an upper made of PRIMEBLUE, a recycled high-performance fabric made from recycled polyester from Parley Ocean Plastic. The upper also features a semi-translucent lace cage, a tonal adidas mountain logo branding on the tongue patch, and an Ultra Boost-branded back heel counter. This shoe rests on a chunkier sole unit with an improved Torsion system, comprising a White midsole and a rubber outsole with additional 6% Boost capsules for a firm stride. The adidas Ultra Boost 21 Core Black was released on January 28th, 2021, it retailed at $180.

$295.00

in 1 offers

Colour:

Adidas Ultraboost 21 'Core Black' Sneakers | Men's Size 11.5
Adidas Ultraboost 21 Sneaker (Black - 9)
Sneakers Y-3 Ultraboost 5 Core Black/ Core Black/ Aluminium EUR 45 1/3
Adidas Ultraboost 21 - Core Black 8
Adidas Men's Ultraboost 21 Shoes - Core Black - 8.5
Sneakers Y-3 Ultraboost 5 Core Black/ Core Black/ Off-White EUR 41 1/3
Adidas Ultraboost 21 'Grey' Sneakers | Men's Size 10.5
Adidas Ultraboost 21 Running Shoe - Grey - 6 M
Adidas Ultra Boost 21 Grey White
Adidas Ultraboost 21 'Cloud White' Mens Sneakers - Size 10.5
Adidas Mens Ultraboost 21, 8.5 / White

Size:

3
3½
4
4½
5
5½
6
6½
7
7½
8
8½
9
9½
10
11
11½
12
13
14
36⅔
37⅓
38
41⅓
42⅔
44⅔
45⅓
46⅔
47⅓

Adidas Ultraboost 21 'Core Black' Sneakers | Men's Size 11.5

$295.00

(855 reviews)

The adidas Ultra Boost 21 Core Black is a running shoe from the Ultra Boost 2021 collection in a Core Black colorway. This shoe features an upper made of PRIMEBLUE, a recycled high-performance fabric made from recycled polyester from Parley Ocean Plastic. The upper also features a semi-translucent lace cage, a tonal adidas mountain logo branding on the tongue patch, and an Ultra Boost-branded back heel counter. This shoe rests on a chunkier sole unit with an improved Torsion system, comprising a White midsole and a rubber outsole with additional 6% Boost capsules for a firm stride. The adidas Ultra Boost 21 Core Black was released on January 28th, 2021, it retailed at $180.

The adidas Ultra Boost 21 Core Black is a running shoe from the Ultra Boost 2021 collection in a Core Black colorway. This shoe features an upper made of PRIMEBLUE, a recycled high-performance fabric made from recycled polyester from Parley Ocean Plastic. The upper also features a semi-translucent lace cage, a tonal adidas mountain logo branding on the tongue patch, and an Ultra Boost-branded back heel counter. This shoe rests on a chunkier sole unit with an improved Torsion system, comprising a White midsole and a rubber outsole with additional 6% Boost capsules for a firm stride. The adidas Ultra Boost 21 Core Black was released on January 28th, 2021, it retailed at $180.

Colour:
Adidas Ultraboost 21 'Core Black' Sneakers | Men's Size 11.5
Adidas Ultraboost 21 Sneaker (Black - 9)
Sneakers Y-3 Ultraboost 5 Core Black/ Core Black/ Aluminium EUR 45 1/3
Adidas Ultraboost 21 - Core Black 8
Adidas Men's Ultraboost 21 Shoes - Core Black - 8.5
Sneakers Y-3 Ultraboost 5 Core Black/ Core Black/ Off-White EUR 41 1/3
Adidas Ultraboost 21 'Grey' Sneakers | Men's Size 10.5
Adidas Ultraboost 21 Running Shoe - Grey - 6 M
Adidas Ultra Boost 21 Grey White
Adidas Ultraboost 21 'Cloud White' Mens Sneakers - Size 10.5
Adidas Mens Ultraboost 21, 8.5 / White

Size

10½
​

Price comparison

Last updated at 17/06/2025 11:56:27

GOAT

$295.00

+ $25.00 delivery

Go to store

StockX

$694.00

available 5 days ago

Low stock

Price history

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Price history

​
​

Reviews

Expected more but a disappointment
13 March 2021
yamr6er

originally posted on roadrunnersports.com

Great response, and cushion as advertised
8 March 2021
Bigbeebs

originally posted on finishline.com

Honest review.
25 February 2022

originally posted on Academy Sports + Outdoors

Price comparison

Updated about 23 hours ago
GOAT

$295.00

+$25.00 delivery
StockX

$694.00

Low Stock

Price history

​
​

Price history

​
​

Reviews

Expected more but a disappointment
13 March 2021
yamr6er
originally posted on roadrunnersports.com
Great response, and cushion as advertised
8 March 2021
Bigbeebs
originally posted on finishline.com
Honest review.
25 February 2022
originally posted on Academy Sports + Outdoors
How do u better ur best? The UB 21, that's how
30 July 2021
TRIumph636
originally posted on hibbett.com
I Don't Reccomend the Adidas Ultra Boost 21
10 August 2021
Christopher
originally posted on roadrunnersports.com
I may have to get all of the colors
29 April 2021
JORYBO
originally posted on finishline.com
Most comfortable shoe, believe the hype
15 May 2021
Bisidude
originally posted on asos.com
Obsessed
2 July 2021
Becca the moderate mover
originally posted on jdsports.co.uk
Tight toe box
4 March 2021
Paul
originally posted on roadrunnersports.com
Worst shoe made by adidas in comfort wise
8 September 2021
Savi14
originally posted on ewavedemo.com