adidas Prime X3 Strung Trainers - Red - 9

Speed starts from the ground up. The adidas Prime X3 Strung is a fast road runner that helps you c...

Best current price£239.96from 365Rider ES

Shoe Size UK
Colour
Accent Colour
Gender

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5 offers from £239.96 - £256.10

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365Rider ESAdidas Adizero Prime X3 Strung Coral Black AW26 Running Shoes, Size UK 9
£0.99 delivery
£239.96
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FrasersAdidas Prime X3 Strung Road Running Shoes - Solar Trb/Gry - 9 (43.3)
Free delivery in 1–3 days
£249.99
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Sports Direct UKAdidas Red Prime X3 Strung Road Running Shoes in Size 9, Sports Direct
£4.99 delivery
£249.99
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StudioAdidas Unisex Prime X3 Strung Road Running Shoes Red Size 9 (43.3)
£4.99 delivery
£249.99
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Direct-Running UKAdidas Unisex Rose Running Shoes Adizero Prime X3 Strung Light Strike Pro
Free delivery in 1–3 days
£256.10
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Product Information

Full details

The adidas Prime X3 Strung is a high-performance, neutral road running trainer designed for athletes looking to maximize their speed during race day, tempo sessions, or high-intensity training. Its core benefit lies in its lightweight, distraction-free construction that promotes a faster stride; however, users should note that the specialized, aggressive geometry of the shoe may require an adjustment period for those used to traditional daily trainers.

All features

Age Groupadult
ColourRed
GenderUnisex
Shoe Size UK9
Accent ColourGrey
Shoe TypeTrainers
SeriesPrime X3 Strung
Model Part Number4069987319037
Brandadidas

Extended Product Information

FAQs

Are these shoes true to size?

Yes, they follow standard sizing, but the Strung upper provides a snug, race-ready fit.

Can I use these for trail running?

These are optimized for road surfaces; they lack the aggressive lugs required for technical trail terrain.

Are these suitable for marathon distances?

Many runners use them for long-distance events, provided they have become accustomed to the shoe's geometry.

How do I clean the Strung material?

Spot clean with a damp cloth and mild detergent. Do not soak the shoes in water.

Is this a unisex model?

Yes, this model is designed as a unisex trainer suitable for both men and women.

Troubleshooting

Foot slippage inside the shoe

Re-lace using the top eyelet to create a runner's loop for a tighter heel lock.

Feeling of instability during sharp turns

The shoe is designed for speed on straights; reduce cornering speed or increase foot strike awareness.

Midsole foam feels stiff initially

The foam requires a short break-in period of 20-30 miles to reach optimal flexibility.

Pros and Cons

Pros

  • Exceptionally lightweight construction
  • Secure, lockdown fit via the Strung upper
  • Highly responsive cushioning for speed
  • Modern, aesthetic design
  • Supports a natural, neutral running gait

Cons

  • May require a break-in period for stability
  • Aggressive geometry may not suit all foot types
  • Less cushioning for casual walking or recovery runs

Setup, Compatibility & Care

To ensure the best experience, verify your UK size 9 fit as the Strung upper provides a snug, performance-oriented hold. When putting on the shoes, ensure the laces are adjusted to your preference but not overtightened, as the material is designed to stretch and conform to the foot. For care, avoid machine washing; instead, use a soft-bristled brush to remove dried mud or debris from the outsole and wipe the upper with a damp cloth and mild soap. Keep them away from direct heat sources, such as radiators, to prevent warping the advanced midsole materials.

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