adidas Ultraboost 21 Trainers - White - Black - UK 11
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Product Information
Full details
The adidas Ultraboost 21 'Oreo' trainers are designed for adult athletes seeking exceptional comfort and energy return. Their key benefit lies in the responsive Boost midsole and supportive Primeknit upper, offering superior cushioning and a secure fit. A potential caveat is their specialized design, which may be overkill for casual, low-impact activities. These trainers combine a striking white and black 'Oreo' colorway with advanced performance features, making them suitable for both intense training and everyday wear.
All features
| Age Group | adult |
|---|---|
| Colour | White |
| Gender | Unisex |
| Shoe Size UK | 11 |
| Accent Colour | Black |
| Shoe Type | Trainers |
| Series | Ultraboost 21 |
| Model Part Number | S23708-110 |
| Brand | adidas |
Extended Product Information
FAQs
Are the adidas Ultraboost 21 suitable for wide feet?
The Primeknit upper offers a flexible fit that can accommodate a range of foot widths. However, individuals with significantly wide feet may find them snug. It is recommended to try them on if possible or consult size guides.
How do I clean the Boost midsole?
The Boost midsole can be cleaned with a damp cloth and mild soap. Gently scrub away dirt and allow it to air dry completely.
What is the main difference between Ultraboost 21 and previous models?
The Ultraboost 21 features a more substantial Boost midsole for enhanced cushioning and energy return, an updated Primeknit upper for a more adaptive fit, and an improved Torsion System for greater stability.
Can these shoes be used for trail running?
While the Continental™ rubber outsole provides good traction, the Ultraboost 21 is primarily designed for road running and urban environments. They are not optimized for the rugged terrain of trail running.
How durable is the Primeknit upper?
The Primeknit upper is engineered for both comfort and durability. However, it is susceptible to tears or snags from sharp objects, so caution should be exercised in rough environments.
What does the 'Oreo' colorway signify?
The 'Oreo' colorway refers to the distinct black and white pattern of the trainers, reminiscent of the popular cookie, offering a bold and stylish aesthetic.
Troubleshooting
Shoes feel too tight
Loosen the laces and re-tie them, ensuring a snug but not constricting fit. The Primeknit upper will stretch slightly with wear.
Traction is reduced on wet surfaces
Clean the Continental™ rubber outsole to remove any debris. While designed for grip, extreme wet conditions can still reduce traction on any footwear.
Discomfort after extended wear
Ensure the lacing is adjusted correctly for your foot's needs. Break in the shoes gradually with shorter wear periods before attempting long distances.
Color transfer from the black elements
Initial wears may see slight color transfer from the black 'Oreo' detailing. This is normal and should minimize over time. Avoid wearing with light-colored socks until the shoes are broken in.
Pros and Cons
Pros
- Exceptional energy return and cushioning due to the Boost technology.
- Comfortable and adaptive fit from the Primeknit upper.
- Excellent grip and durability from the Continental™ rubber outsole.
- Stylish design suitable for both athletic performance and casual wear.
- Supportive construction for various training activities.
Cons
- May be overly cushioned for users who prefer a minimalist feel.
- The 'Oreo' colorway might not suit all personal styles.
- Higher price point compared to standard running shoes.
Setup, Compatibility & Care
Setup: These trainers require no specific setup. They are ready to wear straight out of the box. Ensure they are laced correctly for a secure and comfortable fit.
Compatibility: Designed for adult unisex use, compatible with standard athletic socks. Size UK 11 fits a corresponding foot size.
Care Instructions:
- Cleaning: Use a soft brush or cloth with cold water and mild soap to clean the exterior. Avoid harsh chemicals or abrasive cleaners.
- Drying: Allow the shoes to air dry naturally at room temperature. Do not expose them to direct heat or sunlight, as this can damage the materials.
- Insoles: Remove insoles for separate cleaning if necessary. Ensure they are completely dry before reinserting.
- Laces: Hand wash laces separately.
- Storage: Store in a cool, dry place away from direct sunlight when not in use.