adidas UltraBoost 4.0 DNA - White - 6.5

The adidas UltraBoost 4.0 DNA is a timeless classic. This sneaker features a Primeknit upper with ...

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Product Information

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The adidas UltraBoost 4.0 DNA is designed for adult runners and casual wearers who prioritize long-lasting comfort and modern aesthetics. Featuring a responsive Boost midsole and a breathable Primeknit upper, these trainers deliver exceptional energy return for daily commutes or light track sessions, though the soft knit construction may not provide the stiff lateral support required for high-intensity side-to-side gym movements.

All features

Age Groupadult
ColourWhite
GenderMale
Shoe Size UK6.5
Accent ColourBlack
Shoe TypeTrainers
SeriesUltraBoost 4.0 DNA
Model Part NumberFY9120-65
Brandadidas

Extended Product Information

FAQs

Is the UltraBoost 4.0 DNA good for high-impact gym training?

While excellent for running and walking, the soft upper and cushioned sole may lack the lateral stability needed for heavy weightlifting or intense agility drills.

What is Primeblue material?

Primeblue is a high-performance recycled material made in part with Parley Ocean Plastic, reflecting adidas's commitment to reducing plastic waste.

Can I put these shoes in the washing machine?

It is not recommended. Machine washing can compromise the structural integrity of the knit upper and the adhesion of the sole unit.

Does the size fit true to size?

The Primeknit upper offers a flexible fit. Most users find they fit true to size, but if you have a wide foot, you may prefer a half-size larger.

How should I clean the white midsole?

A magic eraser or a damp cloth with mild detergent works well to remove scuffs and dirt from the Boost foam midsole.

Troubleshooting

Upper material showing signs of dirt buildup

Use a specialized sneaker cleaning foam and a soft-bristled brush to gently lift dirt from the knit fibers.

Feeling of slipping within the shoe

Ensure laces are tightened securely; the Primeknit upper is designed to stretch, so a firm lacing lockdown is often required to achieve a secure fit.

Midsole foam loses its original "pop"

While Boost foam is durable, it does have a finite lifespan; rotate between different pairs to allow the compression-molded foam time to recover its shape.

Pros and Cons

Pros

  • Exceptionally soft and comfortable underfoot cushioning
  • Breathable upper material reduces overheating
  • Uses sustainable recycled plastics
  • Versatile design for exercise or casual use
  • Secure fit that accommodates various foot shapes

Cons

  • Primeknit upper lacks rigid lateral stability
  • White colorway requires frequent cleaning to maintain appearance
  • Softer sole material may wear faster on abrasive concrete

Setup, Compatibility & Care

To ensure your trainers last, follow these maintenance guidelines:

  1. Cleaning: Gently brush off dry dirt with a soft brush. For deeper cleaning, wipe the knit upper with a damp cloth and mild soap; avoid soaking the shoe or using a washing machine, as this can damage the foam and fabric structure.
  2. Drying: Air dry only at room temperature. Keep away from direct heat sources like radiators or tumble dryers, as high heat can warp the rubber and degrade the Boost cushioning.
  3. Fit: These trainers feature a snug, adaptive fit. If you prefer extra room in the toe box or use custom orthotics, consider checking the fit carefully before long-distance usage.
  4. Storage: Store in a cool, dry place out of direct sunlight to prevent the white Primeknit material from yellowing over time.