Buy wisely
Buy wisely
Buy wisely

+1.0796% inflation

  1. Home
  2. /
  3. Fashion
  4. /
  5. Shoes
  6. /
  7. Men's Shoes
  8. /
  9. Men's Sneakers
  10. /
  11. Adidas Ultra Boost 21 Grey Sonic Ink

Buy wisely

BuyWisely is your one stop price comparison platform, delivering the best deals from over 20,000 online shops. We empower shoppers to make smart, cost-effective choices by offering transparent pricing, price history, and the latest deals across a broad range of products. With BuyWisely, your money goes further.

Popular Shops
Amazon.com.au
Temu
eBay.com.au
Myer
JB Hi-Fi
Catch.com.au
Kogan.com
Harvey Norman Australia
MyDeal
Bing Lee Electrics
The Good Guys
Bunnings Warehouse
Officeworks
Woolworths
BIG W
Popular Categories
Electronics
Home Appliances
Fashion
Cookware
Gaming Monitors
Games
Baby & Kids
Pets
Grocery
Kitchen
Skirts
Contact Us
andrew@buywisely.com.au
Affiliate Disclosure
Legal Information
Privacy Policy
Logos provided by Logo.dev
- 17%
Adidas Ultra Boost 21 Grey Sonic Ink
Adidas Ultra Boost 21 Grey Sonic Ink
Adidas Ultra Boost 21 Grey Sonic Ink
Adidas Ultra Boost 21 Grey Sonic Ink
Adidas Ultra Boost 21 Grey Sonic Ink
Adidas Ultra Boost 21 Grey Sonic Ink
Adidas Ultra Boost 21 Grey Sonic Ink
Adidas Ultra Boost 21 Grey Sonic Ink
Adidas Ultra Boost 21 Grey Sonic Ink
Adidas Ultra Boost 21 Grey Sonic Ink
Adidas Ultra Boost 21 Grey Sonic Ink

Adidas Ultra Boost 21 Grey Sonic Ink

(6,637 reviews)

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.

$124.85 - $574.00

in 13 offers

Size:

7½
8
8½
9½
10½
13

Adidas Ultra Boost 21 Grey Sonic Ink

$124.85

(6,637 reviews)

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.

Size

9
​

Price comparison

Last updated at 04/11/2025 23:08:42

Amazon

$340.74

Go to store


adidas Men's Ultraboost-21 Running Shoes

farfetch.com

$239.00

Go to store


adidas - Ultraboost 21 low-top sneakers - unisex - Polyester - 7.5 - Blue

Delivery $30

StockX

$267.00

Go to store


adidas Ultra Boost 21 Oreo

Delivery $34.95

KICKSCREW

$332.00

Go to store


adidas UltraBoost 21 'Tokyo' S23863 US 9

Delivery $69

Novelship

$417.00

Go to store


adidas UltraBoost 21 'Wonder White Carbon' S23869 US 11

Delivery between 12–14 Nov $65.13

eBay

$124.85

Go to store


Men's Adidas Ultraboost 21 Running Shoes White / Black / Red Sz 8

Delivery $94.02

eBay - lifestyleoutfittersllc

$149.80

Go to store


Adidas Men's Ultraboost 21 Sonic Ink Black Screaming Green Shoes

Delivery $74.92

snkrdunk.com/en

$406.00

Go to store


adidas Ultra Boost 21 "Triple White"

Delivery $22

Side Kicks

$574.00

Go to store


adidas Ultra Boost 21 Boston Marathon (2021) UK 12

GOAT

$241.11

Go to store


Adidas UltraBoost 21 'Focus Olive'

See 17 historical offers

sportfirstherveybay.com.au

$108.00

Out of Stock


Adidas Ultraboost 21 Mens Shoe 11.5 / Blue/Black/Green

Delivery between 29 Oct – 4 Nov $10

eBay - walnut412

$79.90

Out of Stock


Adidas Ultraboost 21 Black Green Mens Running Shoes Fz1923 Ultra Boost

Delivery $82.64

eBay - ryspop

$87.33

Out of Stock


Adidas Ultraboost 21 Running Shoes 'vivid Red Solar Black' Fy0387 Men

Delivery $89.47

Solestop.com

$135.64

Out of Stock


Adidas Running Men Ultraboost 21 Black Grey Green FZ1923 9

Delivery $86.81

ASOS

$240.00

Out of Stock


adidas Training Ultraboost 21 trainers in black and white

Free delivery

Joom

$615.09

Out of Stock


adidas UltraBoost 21 Black Screaming Orange Men Sneakers Core-Black Blue-Oxide FY0389 40⅔

Free delivery between 14–25 Oct

Boutique Retailer

$216.99

Out of Stock


Adidas Mens Ultraboost 21 Running Sneakers Runners Shoes - Black/Orange

Free delivery between 16–22 Oct

Decathlon Australia

$229.00

Out of Stock


Adidas Mens Ultraboost 21 Running Sneakers Runners Shoes - Black/orange | Buy Online With Afterpay

Delivery $8.50

Woolworths

$229.00

Out of Stock


Adidas Mens Ultraboost 21 Running Sneakers Runners Shoes - Black/Orange US 9

Delivery $10

Kogan.com

$229.00

Out of Stock


Adidas Mens Ultraboost 21 Running Sneakers Runners Shoes - Black/Orange - US 10

Free delivery

VestiaireCollective.au

$228.00

Out of Stock


Adidas - Authenticated Ultraboost Trainer - Cloth for man, Never Worn, With TAG

Delivery $100

eBay - viaductclothing

$179.44

Out of Stock


Adidas Men's Ultraboost 21 Trainers Shoes Sneakers Gym Training Black

Delivery $38.12

Lasoo

$229.00

Out of Stock


Adidas Mens Ultraboost 21 Running Sneakers Runners Shoes - Black/Orange

Free delivery

Dick Smith AU

$229.00

Out of Stock


Adidas Mens Ultraboost 21 Running Sneakers Runners Shoes - Black/Orange - US 10

Free delivery

MightyApe.com.au

$229.00

Out of Stock


Adidas Mens Ultraboost 21 Running Sneakers Runners Shoes - Black/Orange - US 9

Free delivery

ModeSens

$239.00

Out of Stock


Ultraboost 21 Low-top Sneakers In Blau

Delivery $30

eBay - smartstone14

$201.76

Out of Stock

Price history

​
​

Price history

​
​

Reviews

4 January 2024
John H.

originally posted on stockx.com

Amazing shoe!
28 March 2021
Alex

originally posted on roadrunnersports.com

Decent shoes for heel strikers
30 December 2023
JMS1223

originally posted on Academy Sports + Outdoors

Specification

Release Date08-31-2021
NicknameGrey Sonic Ink
ColorwayGrey Five/Core Black/Screaming Green
Upper MaterialPrimeknit
TechnologyBoost

Price comparison

Updated about 20 hours ago
Amazon

$340.74


adidas Men's Ultraboost-21 Running Shoes

farfetch.com

$239.00


adidas - Ultraboost 21 low-top sneakers - unisex - Polyester - 7.5 - Blue

Delivery $30

StockX

$267.00


adidas Ultra Boost 21 Oreo

Delivery $34.95

KICKSCREW

$332.00


adidas UltraBoost 21 'Tokyo' S23863 US 9

Delivery $69

Novelship

$417.00


adidas UltraBoost 21 'Wonder White Carbon' S23869 US 11

Delivery between 12–14 Nov $65.13

See 17 historical offers

sportfirstherveybay.com.au

$108.00

Out of Stock

Adidas Ultraboost 21 Mens Shoe 11.5 / Blue/Black/Green

Delivery between 29 Oct – 4 Nov $10

eBay - walnut412

$79.90

Out of Stock

Adidas Ultraboost 21 Black Green Mens Running Shoes Fz1923 Ultra Boost

Delivery $82.64

eBay - ryspop

$87.33

Out of Stock

Adidas Ultraboost 21 Running Shoes 'vivid Red Solar Black' Fy0387 Men

Delivery $89.47

Solestop.com

$135.64

Out of Stock

Adidas Running Men Ultraboost 21 Black Grey Green FZ1923 9

Delivery $86.81

ASOS

$240.00

Out of Stock

adidas Training Ultraboost 21 trainers in black and white

Free delivery

Joom

$615.09

Out of Stock

adidas UltraBoost 21 Black Screaming Orange Men Sneakers Core-Black Blue-Oxide FY0389 40⅔

Free delivery between 14–25 Oct

Boutique Retailer

$216.99

Out of Stock

Adidas Mens Ultraboost 21 Running Sneakers Runners Shoes - Black/Orange

Free delivery between 16–22 Oct

Decathlon Australia

$229.00

Out of Stock

Adidas Mens Ultraboost 21 Running Sneakers Runners Shoes - Black/orange | Buy Online With Afterpay

Delivery $8.50

Woolworths

$229.00

Out of Stock

Adidas Mens Ultraboost 21 Running Sneakers Runners Shoes - Black/Orange US 9

Delivery $10

Kogan.com

$229.00

Out of Stock

Adidas Mens Ultraboost 21 Running Sneakers Runners Shoes - Black/Orange - US 10

Free delivery

VestiaireCollective.au

$228.00

Out of Stock

Adidas - Authenticated Ultraboost Trainer - Cloth for man, Never Worn, With TAG

Delivery $100

eBay - viaductclothing

$179.44

Out of Stock

Adidas Men's Ultraboost 21 Trainers Shoes Sneakers Gym Training Black

Delivery $38.12

Lasoo

$229.00

Out of Stock

Adidas Mens Ultraboost 21 Running Sneakers Runners Shoes - Black/Orange

Free delivery

Dick Smith AU

$229.00

Out of Stock

Adidas Mens Ultraboost 21 Running Sneakers Runners Shoes - Black/Orange - US 10

Free delivery

MightyApe.com.au

$229.00

Out of Stock

Adidas Mens Ultraboost 21 Running Sneakers Runners Shoes - Black/Orange - US 9

Free delivery

ModeSens

$239.00

Out of Stock

Ultraboost 21 Low-top Sneakers In Blau

Delivery $30

eBay - smartstone14

$201.76

Out of Stock

Price history

​
​

Price history

​
​

Reviews

4 January 2024
John H.
originally posted on stockx.com
Amazing shoe!
28 March 2021
Alex
originally posted on roadrunnersports.com
Decent shoes for heel strikers
30 December 2023
JMS1223
originally posted on Academy Sports + Outdoors
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
Quality and style you would expect from Ultraboosts!
8 July 2021
Alex
originally posted on finishline.com
Really Help with foot pain
1 March 2021
Truby
originally posted on roadrunnersports.com
Still the one!
19 March 2021
bRabbit117
originally posted on roadrunnersports.com
Ultra boost 21
13 June 2021
Kwarden4
originally posted on hibbett.com
Ultraboost 21
16 June 2021
Christopher K.
originally posted on altitude-sports.com

Specification

Release Date08-31-2021
NicknameGrey Sonic Ink
ColorwayGrey Five/Core Black/Screaming Green
Upper MaterialPrimeknit
TechnologyBoost