Adidas UltraBoost 21 ‘Core Black’ FY0402


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Product Description:
The Adidas UltraBoost 21 ‘Core Black’ FY0402 is the latest addition to the highly acclaimed UltraBoost line of running shoes. It combines cutting-edge technology with sleek design to create the ultimate running experience. Designed to provide exceptional comfort, support, and energy return, these shoes are built to enhance your performance and take your running to the next level.

1. Primeknit+ Upper: The Primeknit+ upper is made from lightweight and breathable materials that hug the foot for a secure and adaptive fit. This ensures maximum comfort and prevents any discomfort during long runs.

2. Boost Midsole: The Boost midsole is the signature feature of the UltraBoost line. It provides superior cushioning and energy return, allowing you to run with unmatched responsiveness and efficiency. With each stride, the Boost technology harnesses and returns energy, propelling you forward.

3. Torsion System: The Torsion System in the midsole provides stability and support, allowing for a smooth and controlled transition from heel strike to toe-off. This feature adds balance and reduces the risk of injury, making it perfect for runners of all levels.

4. Continental Rubber Outsole: The outsole is made from Continental Rubber, known for its exceptional grip on both wet and dry surfaces. This provides reliable traction, so you can run with confidence no matter the weather or terrain.

– Colorway: Core Black
– Style Code: FY0402
– Release Date: January 2021
– Weight: Approximately 310 grams (size US 9)
– Heel-to-Toe Drop: 10mm
– Fit: Regular fit
– Recommended use: Road running, daily training

In summary, the Adidas UltraBoost 21 ‘Core Black’ FY0402 is a top-of-the-line running shoe that prioritizes comfort, performance, and style. With its innovative technology and sleek design, these shoes are a must-have for any serious runner looking to enhance their running experience.


US M4 / W5 = UK3.5 = EU36, US M4.5 / W5.5 = UK4 = EU36.7, US M5 / W6 = UK4.5 = EU37.3, US M5.5 / W6.5 = UK5 = EU38, US M6 / W7 = UK5.5 = EU38.7, US M6.5 / W7.5 = UK6 = EU39.3, US M7.5 / W8.5 = UK7 = EU40.7, US M8 / W9 = UK7.5 = EU41.3, US M8.5 / W9.5 = UK8 = EU42, US M9 / W10 = UK8.5 = EU42.7, US M9.5 / W10.5 = UK9 = EU43.3, US M10 / W11 = UK9.5 = EU44, US M10.5 / W11.5 = UK10 = EU44.7, US M7 / W8 = UK6.5 = EU40, US M11 / W12 = UK10.5 = EU45.3


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