Adidas UltraBoost 21 - White - 5 UK
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Product Information
Full details
The Adidas UltraBoost 21 is a premium running shoe engineered for adult female athletes seeking maximum energy return and plush cushioning during their daily workouts. While these trainers excel at providing long-distance comfort, users should be aware that the high-cushion platform may feel bulkier compared to minimal racing flats.
All features
| Age Group | adult |
|---|---|
| Colour | White |
| Gender | Female |
| Shoe Size UK | 5 |
| Accent Colour | Cream |
| Shoe Type | Trainers |
| Series | UltraBoost |
| Model Part Number | FX7730 |
| Brand | adidas |
Extended Product Information
FAQs
Are these shoes suitable for marathon training?
Yes, the UltraBoost 21 is designed for high-mileage comfort and energy return, making them a great choice for long-distance training.
Can I use these for trail running?
These shoes are primarily designed for road running. The high-cushion platform may not provide the necessary traction or lateral stability for uneven, rocky, or muddy trails.
How should I clean the white polyester mesh?
Gently wipe with a damp cloth. For tougher marks, use a small amount of mild soap and a soft brush, then let them air dry naturally away from heat sources.
Do these shoes run true to size?
Generally, yes. However, since individual foot shapes vary, we recommend measuring your foot length according to the size guide before purchasing to ensure the best fit.
What is the primary material used?
The upper is constructed from high-quality polyester, designed to be both durable and breathable.
Troubleshooting
Shoes feel too tight across the midfoot
Try adjusting the lacing pattern to a 'parallel' style to reduce pressure across the top of the foot.
Visible dirt on the white material
Use a soft-bristled brush with a mix of water and mild detergent to gently scrub stained areas without soaking the foam.
Pros and Cons
Pros
- Exceptional cushioning for joint protection
- High energy return helps maintain pace
- Versatile design suitable for running and casual use
- Durable polyester construction
- Clean and modern white aesthetic
Cons
- Higher stack height may feel unstable for trail running
- White colorway requires frequent cleaning to maintain appearance
- Limited to specific size ranges per variant
Setup, Compatibility & Care
To ensure the best performance from your Adidas UltraBoost 21 shoes, follow these guidelines:
- Sizing: Always measure your foot length before selecting a size to ensure the best fit, as the UltraBoost series has a specific internal construction.
- Break-in: While comfortable out of the box, wear them for short walks before long runs to allow the foam to adapt to your foot.
- Cleaning: Wipe down the polyester upper with a damp cloth and mild soap. Avoid putting these shoes in the washing machine or dryer, as excessive heat can degrade the cushioning integrity.
- Storage: Store in a cool, dry place away from direct sunlight to prevent color fading and material stiffening.