Adidas UltraBoost 21 ‘Core Black’ FY0378


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Product Description:

The Adidas UltraBoost 21 ‘Core Black’ FY0378 is the ultimate running shoe that combines style, comfort, and performance. Designed for both casual runners and serious athletes, these shoes are equipped with advanced technologies to enhance your running experience. The sleek black colorway adds a touch of sophistication to your workout attire.


1. Primeknit Upper: The breathable Primeknit upper adapts to the natural shape of your foot, providing a snug and supportive fit. It offers flexibility and ensures unrestricted movement during your runs.

2. Boost Midsole: The iconic Boost midsole technology delivers exceptional energy return and cushioning. It absorbs the impact of each stride, reducing fatigue and maximizing comfort. This highly responsive cushioning propels you forward, allowing for a more efficient and dynamic running experience.

3. Torsion System: The Torsion System between the heel and forefoot provides stability and support. It allows for a smooth and controlled transition from heel to toe, reducing the risk of injuries and enhancing overall performance.

4. Continental Rubber Outsole: The durable Continental Rubber outsole offers exceptional grip on multiple surfaces. Whether you’re running on wet pavement or dry trails, these shoes provide reliable traction for a confident stride.


– Color: Core Black
– Style Code: FY0378
– Fit: Regular fit
– Lace closure
– Responsive Boost midsole cushioning
– Weight: Approximately 340 grams (size 9 UK)
– Recommended for: Neutral runners
– Arch type: Mid/High arch

The Adidas UltraBoost 21 ‘Core Black’ FY0378 is the perfect companion for your daily runs or intense training sessions. With its sleek design, superior comfort, and advanced technologies, these shoes are a must-have for any runner looking to upgrade their performance.


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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