adidas Ultraboost 21, Men's Running Shoes, Core Black Core Black Grey Four, 6 UK

adidas Men's Ultraboost 21 Running Shoe, Core Black Core Black Grey Four, 6 UK

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adidas Ultraboost 21, Men's Running Shoes, Core Black Core Black Grey Four, 6 UK

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£149.99
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Adidas Ultraboost 21 Mens Sneakers FY0378 - UK 6 | US 6.5 | EU 39 1/3

Overall Rating: 4.7 / 5 (average from multiple review sources, as of 1 Apr 2026)
Based on a total of 908 customer reviews from independent review platforms.

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adidas Ultraboost 21, Men's Running Shoes, Core Black Core Black Grey Four, 6 UK

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£235.00
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Product information

At a glance

  • Responsive cushioning for enhanced energy return.
  • Stylish and versatile design for any occasion.
  • Sustainable materials support eco-friendly initiatives.

Note: This text was created with the help of AI.

Step into Comfort with the Adidas Ultraboost 21

Perfectly designed for female runners and fitness enthusiasts, the Running Shoes from Adidas are ready to elevate your performance. Whether you're hitting the pavement for a quick jog, training for a marathon, or simply looking for a stylish shoe for everyday wear, the Ultraboost 21 combines innovative technology with modern aesthetics. It’s suited for anyone who values comfort and style while staying active.

Unparalleled Comfort and Performance

The Adidas Ultraboost 21 features a responsive Boost midsole that provides exceptional energy return, making every step feel lighter and more powerful. The shoe's Primeknit upper offers a snug fit that adapts to the shape of your foot, ensuring maximum comfort and support during your runs. Additionally, the Torsion System allows for dynamic movement and improved stability, so you can conquer any terrain with confidence. Say goodbye to sore feet and hello to long-lasting comfort!

Stylish Design for Every Occasion

Sporting a sleek core black and grey four colorway, the Ultraboost 21 is not only functional but also incredibly stylish. The minimalist design seamlessly blends with any outfit, making it perfect for a casual outing or a sporty look. Key design features include:

  • Signature Adidas three stripes for that iconic look.
  • Reflective detailing for added visibility during evening runs.
  • Durable Continental™ Rubber outsole that offers superior traction on various surfaces.

Eco-Friendly Features

In a world where sustainability matters, the Adidas Ultraboost 21 doesn't fall short. Made with at least 50% recycled materials, this shoe is part of Adidas' commitment to reducing plastic waste. When you choose these shoes, you’re not just investing in your comfort and performance; you’re also making a choice for the planet. Embrace your active lifestyle while supporting eco-friendly practices!

Note: This text was created with the help of AI.

Pros and cons

Pros

  • Exceptional energy return
  • Snug, adaptive fit
  • Dynamic stability on terrain
  • Stylish, versatile design
  • Eco-friendly materials used

Cons

  • Not ideal for heavy runners
  • Premium price point

Note: This text was created with the help of AI.

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adidas Ultraboost 21, Men's Running Shoes, Core Black Core Black Grey Four, 6 UK

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