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Joom£98.00Visit shop Adidas Women's White Ultraboost 21 Solar Yellow Sneakers Cloud- Core-Black Fy0401 Cm
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The adidas UltraBoost 21 trainers are designed for adult female runners seeking ultimate comfort and energy return during their daily runs or workouts. Their key benefit is an innovative, responsive cushioning technology that provides a comfortable and energetic ride. A potential caveat is that while designed for performance, they are best suited for road running and may not offer optimal support for highly technical trails. These trainers feature a vibrant Cloud White and Solar Yellow design, a durable rubber outsole for traction, and are crafted with a focus on sustainability.
| Age Group | adult |
|---|---|
| Colour | White |
| Gender | Female |
| Accent Colour | Yellow |
| Shoe Type | Trainers |
| Series | UltraBoost 21 |
| Model Part Number | FY0401__36 |
| Brand | adidas |
The Primeknit upper offers some stretch and adaptability, which can accommodate wider feet. However, individuals with significantly wide feet might find them snug. It's recommended to try them on if possible or consider if a wider fit version is available for this model.
You should have about a thumb's width of space between your longest toe and the end of the shoe when standing. The fit should be snug around the midfoot and heel, with enough room for your toes to move slightly.
While comfortable, the UltraBoost 21's design with significant cushioning and a rounded heel is optimized for forward motion (running). For activities requiring lateral stability, such as weightlifting or cross-training, a shoe with a flatter, more stable base might be more appropriate.
The UltraBoost 21 features an updated construction with more Boost cushioning compared to some predecessors, a more robust Torsion System for enhanced stability, and an improved Primeknit upper design for a more adaptive fit.
No, the Primeknit upper is designed for breathability and is not waterproof. They will offer some resistance to light moisture but are not suitable for running in heavy rain or wet conditions.
The longevity of the Boost cushioning depends on mileage, running surface, and individual weight. Many runners find the cushioning remains effective for 300-500 miles (500-800 km). Regular care can help prolong its performance.
Ensure you are tying a secure knot. Consider using a double knot or replacing the laces with a pair that has more grip.
This can sometimes occur during the break-in period. Ensure the heel counter is properly aligned and try wearing thicker socks. If discomfort persists, check the lacing to ensure it's not too tight around the ankle.
While Boost cushioning is durable, its responsiveness can diminish with very high mileage. Regular cleaning and allowing the shoes to dry properly can help maintain their properties.
The Continental™ Rubber outsole offers good grip, but all rubber can become less effective on extremely wet or slick surfaces. Ensure the outsole is clean of debris.
Setup: The UltraBoost 21 comes ready to wear straight out of the box. Ensure a proper fit by lacing them snugly but not too tightly, allowing your foot to expand naturally during runs.
Compatibility: These trainers are primarily designed for road running. They are compatible with most GPS running watches and fitness trackers.
Care: To maintain the performance and appearance of your UltraBoost 21s:
