Adidas Ultraboost 21 GY6312


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Product Description:

Introducing the Adidas Ultraboost 21 GY6312, the ultimate performance running shoe that combines cutting-edge technology with sleek design. Whether you’re a seasoned runner or just starting out, these shoes will elevate your running experience to new heights.


1. Boost cushioning: The Ultraboost 21 GY6312 is equipped with Adidas’ groundbreaking Boost cushioning technology. This highly responsive foam provides exceptional energy return, propelling you forward with every stride while ensuring maximum comfort and support.

2. Primeknit+ upper: The shoe’s upper is constructed with Primeknit+ material, which offers a lightweight and adaptive fit that conforms to the shape of your foot. This seamless knit fabric provides breathability, flexibility, and reduces irritation for a glove-like feel.

3. Torsion system: The Torsion system in the midfoot provides stability and helps to control your foot’s natural motion. This ensures a smooth and effortless transition from heel to toe, enhancing your overall running efficiency.

4. Stretchweb outsole: The outsole features a Continentalâ„¢ rubber compound with Stretchweb technology, offering superior grip and traction on various surfaces. The flexible design allows for natural foot movement and flexibility while maintaining durability for long-lasting performance.


– Weight: The Ultraboost 21 GY6312 weighs approximately 330 grams, making it lightweight and ideal for speed and agility.

– Heel-to-toe drop: The shoe has a heel-to-toe drop of 10mm, promoting a more natural footstrike and providing a balanced platform for a comfortable run.

– Fit: The Ultraboost 21 GY6312 has a regular fit with a lace closure system that allows for a customized and secure fit.

– Colors: Available in a range of eye-catching colorways, including bold and vibrant options as well as classic and versatile shades.

In summary, the Adidas Ultraboost 21 GY6312 is the perfect companion for runners seeking exceptional comfort, performance, and style. With its innovative features, superior cushioning, and sleek design, this shoe is designed to enhance your running experience like never before.


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 / W8 = UK6.5 = EU40, 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 M11 / W12 = UK10.5 = EU45.3


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