adidas UltraBOOST 21 Black
NWT
$99 $999
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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.
Brand new in box. Price is firm.
Shipping/Discount
![melissachamorr](https://di2ponv0v5otw.cloudfront.net/users/2024/06/14/7/t_666c58b40f752bc0b345c381.jpg)
![fnourian](https://di2ponv0v5otw.cloudfront.net/users/2021/09/06/12/t_613671cb7824da89f16cf01e.jpg)
![brittanyfleig](https://di2ponv0v5otw.cloudfront.net/users/2021/11/28/18/t_61a43b4d5cd8cea3b0628db7.jpg)
![peacelovelabels](https://di2ponv0v5otw.cloudfront.net/users/2020/05/05/9/t_5eb199ef5cd1fbc9abf60c60.jpg)
![lisaira18](https://dtpmhvbsmffsz.cloudfront.net/users/2015/12/06/56651209aaf4fc060119e4f8/t_5665120aaaf4fc060119e4f9.jpg)
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7 Comments
![jessicayden19](https://dtpmhvbsmffsz.cloudfront.net/users/2017/05/02/54ca98b894c7de345e0382e1/t_590957602e39e7a0e5132250.jpg)
jessicayden19
Are they authentic
Jun 01Reply
![kristinjeanr](https://di2ponv0v5otw.cloudfront.net/users/2019/08/09/55f5d4230529c64e3602f864/t_5d4dd871aa7309a09ca0ca8c.jpg)
kristinjeanr
@jessicayden19 yes
Jun 01Reply
![jessicayden19](https://dtpmhvbsmffsz.cloudfront.net/users/2017/05/02/54ca98b894c7de345e0382e1/t_590957602e39e7a0e5132250.jpg)
jessicayden19
@kristinjeanr these are women size?
Jun 01Reply
![kristinjeanr](https://di2ponv0v5otw.cloudfront.net/users/2019/08/09/55f5d4230529c64e3602f864/t_5d4dd871aa7309a09ca0ca8c.jpg)
kristinjeanr
@jessicayden19 yes. Women’s.
Jun 01Reply
![jessicayden19](https://dtpmhvbsmffsz.cloudfront.net/users/2017/05/02/54ca98b894c7de345e0382e1/t_590957602e39e7a0e5132250.jpg)
jessicayden19
@kristinjeanr i just order the 7.5 is there anyway i can switch the order to an 8?
Jun 01Reply
![kristinjeanr](https://di2ponv0v5otw.cloudfront.net/users/2019/08/09/55f5d4230529c64e3602f864/t_5d4dd871aa7309a09ca0ca8c.jpg)
kristinjeanr
@jessicayden19 yes. I’ll cancel and you can reorder in the 8.
Jun 01Reply
![jessicayden19](https://dtpmhvbsmffsz.cloudfront.net/users/2017/05/02/54ca98b894c7de345e0382e1/t_590957602e39e7a0e5132250.jpg)
jessicayden19
@kristinjeanr great! Thank you
Jun 01Reply
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