The adidas UltraBoost 21 ‘Black Silver Metallic’ adds subtle neon accents to an otherwise neutral colorway of the brand’s flagship runner. ‘ULTRABOOST’ is printed in Solar Yellow lettering across the molded heel counter, adding rearfoot stability to a black and grey knit upper that incorporates Primeblue — recycled high-performance materials including Parley Ocean Plastic. Responsive cushioning arrives via a full-length Boost midsole, featuring an exaggerated heel curve that allows for the addition of more Boost capsules.
The adidas UltraBoost 21 ‘Black Silver Metallic’ adds subtle neon accents to an otherwise neutral colorway of the brand’s flagship runner. ‘ULTRABOOST’ is printed in Solar Yellow lettering across the molded heel counter, adding rearfoot stability to a black and grey knit upper that incorporates Primeblue — recycled high-performance materials including Parley Ocean Plastic. Responsive cushioning arrives via a full-length Boost midsole, featuring an exaggerated heel curve that allows for the addition of more Boost capsules.
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The adidas UltraBoost 21 ‘Black Silver Metallic’ adds subtle neon accents to an otherwise neutral colorway of the brand’s flagship runner. ‘ULTRABOOST’ is printed in Solar Yellow lettering across the molded heel counter, adding rearfoot stability to a black and grey knit upper that incorporates Primeblue — recycled high-performance materials including Parley Ocean Plastic. Responsive cushioning arrives via a full-length Boost midsole, featuring an exaggerated heel curve that allows for the addition of more Boost capsules.
The adidas UltraBoost 21 ‘Black Silver Metallic’ adds subtle neon accents to an otherwise neutral colorway of the brand’s flagship runner. ‘ULTRABOOST’ is printed in Solar Yellow lettering across the molded heel counter, adding rearfoot stability to a black and grey knit upper that incorporates Primeblue — recycled high-performance materials including Parley Ocean Plastic. Responsive cushioning arrives via a full-length Boost midsole, featuring an exaggerated heel curve that allows for the addition of more Boost capsules.
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Last updated at 14/10/2025 11:48:53
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Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
originally posted on roadrunnersports.com
originally posted on Academy Sports + Outdoors
originally posted on roadrunnersports.com
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