adidas Ultraboost 21 - Crew Navy - Trainers - UK 12.5
Not Available
Currently unavailable
Currently out of stock
This product is not available at the moment. Check back later or explore other options below.
Product Information
Full details
The adidas Ultraboost 21 'Crew Navy' trainers are designed for adult males seeking a balance of performance and style in their athletic footwear. Their key benefit lies in the responsive cushioning for enhanced comfort during runs and daily activities. A potential caveat is that the weave construction, while breathable, might offer less support for highly aggressive lateral movements compared to more structured shoes.
All features
| Age Group | adult |
|---|---|
| Colour | Blue |
| Gender | Male |
| Shoe Size UK | 12.5 |
| Shoe Type | Trainers |
| Series | Ultraboost 21 |
| Model Part Number | FY0350-125 |
| Brand | adidas |
Extended Product Information
FAQs
Are the Ultraboost 21 trainers suitable for wide feet?
The Primeknit upper offers a degree of flexibility, but the shoe is generally designed for a standard fit. Individuals with significantly wide feet might find them snug.
How do I know if I have the right size UK 12.5?
The shoe should feel snug but not tight. There should be a thumb's width of space between your longest toe and the end of the shoe when standing. Ensure no part of your foot is being squeezed.
Can I wear these trainers in wet conditions?
While the outsole provides traction, the Primeknit upper is not waterproof and can absorb moisture. They are best suited for dry or moderately damp conditions.
What is the main difference between Ultraboost 21 and previous models?
The Ultraboost 21 typically features an updated Boost formulation for enhanced energy return and a refined upper construction for improved fit and comfort.
How durable is the Boost midsole?
The Boost midsole is known for its durability and ability to maintain its cushioning properties over many miles. However, like all cushioning, its effectiveness can gradually decrease with very heavy use.
Can these trainers be used for cross-training or gym workouts?
While they offer great cushioning for running, their flexibility might not provide the stable platform needed for all types of intense cross-training or weightlifting. They are primarily optimized for running and daily wear.
Troubleshooting
Shoes feel too tight
Loosen the laces and try re-lacing them more loosely. The Primeknit upper may also stretch slightly with wear.
Squeaking noise
This can sometimes occur due to friction between the sole and the insole. Try removing the insole, cleaning both surfaces, and reinserting it.
Reduced cushioning effect
Ensure the shoes are broken in properly. For older shoes, the Boost midsole's responsiveness may diminish over extensive mileage.
Difficulty cleaning stains
Use a specialized shoe cleaner or a mixture of mild soap and water. For stubborn marks, a soft-bristled brush can be used gently.
Pros and Cons
Pros
- Exceptional cushioning for comfort during long wear.
- Breathable upper material keeps feet cool.
- Durable construction for lasting use.
- Stylish design suitable for both sports and casual outings.
- Good energy return enhances running performance.
Cons
- May lack the aggressive lateral support needed for some sports.
- Weave upper can be susceptible to snags.
- Fit may be snug for wider feet.
- Higher price point compared to basic trainers.
Setup, Compatibility & Care
Setup:
These trainers are ready to wear out of the box. Simply ensure they are laced to your preferred tightness using the secure lacing system.
Compatibility:
Designed for adult male foot sizes, specifically UK 12.5. They are suitable for various athletic activities and casual wear.
Care Instructions:
- Cleaning: Use a soft brush or cloth to remove loose dirt. For tougher stains, use a mild soap and water solution with a damp cloth. Avoid harsh chemicals or abrasive cleaners.
- Drying: Allow the trainers to air dry naturally at room temperature. Do not use direct heat sources like radiators or hairdryers, as this can damage the materials.
- Washing: It is not recommended to machine wash these trainers to preserve the integrity of the Boost midsole and Primeknit upper.
- Storage: Store in a cool, dry place away from direct sunlight when not in use.