adidas UltraBoost 21 - White - 6.5
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 is designed for adult runners and fitness enthusiasts seeking a blend of high-performance energy return and everyday comfort. Featuring signature responsive cushioning and a sleek aesthetic, these trainers provide reliable support for daily activities, though users should ensure a precise fit to maximize the benefits of the structured upper construction.
All features
| Age Group | adult |
|---|---|
| Colour | White |
| Gender | Male |
| Shoe Size UK | 6.5 |
| Shoe Type | Trainers |
| Series | UltraBoost 21 |
| Model Part Number | S23708-65 |
| Brand | adidas |
Extended Product Information
FAQs
Are these shoes suitable for wide feet?
The UltraBoost 21 features a snug, precision fit. Individuals with wider feet may find the fit tight and might consider sizing up by a half size.
Can I use these for gym workouts?
Yes, they provide stable cushioning suitable for treadmill running and general gym activities, though they are primarily optimized for forward-motion running.
How do I maintain the white color?
Regularly wipe down the outsoles and upper with a damp cloth after outdoor use to prevent dirt from settling into the fabric.
Are these shoes unisex?
While some versions are specific to gender, the technology and performance benefits remain consistent across the UltraBoost 21 series.
What is the best way to lace them for running?
Use the extra eyelet at the top for a 'runner's lock' if you experience heel slippage during your runs.
Troubleshooting
Feeling of tightness across the midfoot
Try adjusting the lacing pattern to a looser configuration, or ensure the tongue is centered properly before tightening.
Accumulated dirt on white fabric
Spot clean with a dedicated sneaker cleaning solution and a damp cloth; avoid abrasive scrubbing.
Pros and Cons
Pros
- Excellent energy return for long-distance comfort
- Sleek and versatile white design
- Durable construction for frequent wear
- Supportive structure for various foot types
Cons
- White fabric requires regular cleaning to maintain appearance
- Fit can feel restrictive for those preferring extra room in the toe box
- Primarily designed for performance, may feel too firm for casual lounging
Setup, Compatibility & Care
To ensure the longevity of your adidas UltraBoost 21 trainers, follow these maintenance practices:
- Break-in Period: Wear the shoes for short periods initially to allow the material to adapt to your foot shape.
- Cleaning: Use a soft-bristled brush and mild soap to remove dirt from the upper. Avoid machine washing or drying, which can damage the cushioning materials.
- Drying: Air dry the trainers in a well-ventilated area away from direct heat sources like radiators, as excessive heat can warp the sole composition.
- Storage: Keep them in a cool, dry place to prevent yellowing of the white materials over time.