Nike ReactX Infinity Run 4 - Grey - Purple - UK 15

Experience superior comfort and performance with the Nike ReactX Infinity Run 4. These trainers fe...

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KICKSCREWNike Men's Vast Grey/Hyper Violet/Bright Crimson Reactx Infinity Run 4 ' Bright Crimson' Dr2665-011
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Product Information

Full details

The Nike ReactX Infinity Run 4 is a high-performance trainer designed for adult male runners seeking a balance of exceptional comfort and stability during daily training. Featuring the advanced ReactX foam technology, it provides a responsive, cushioned feel that helps reduce fatigue over long distances, though runners accustomed to ultra-minimalist racing flats may find the additional support profile slightly bulkier than what they prefer.

All features

Age Groupadult
ColourGrey
GenderMale
Shoe Size UK15
Accent ColourPurple
Shoe TypeTrainers
SeriesReactX Infinity Run 4
Model Part NumberDR2665-011-150
BrandNike

Extended Product Information

FAQs

Are these shoes suitable for marathons?

Yes, the ReactX Infinity Run 4 is designed for high-mileage runs, making it a reliable choice for long-distance training and marathon events.

Can I use these for trail running?

These shoes are optimized for road and pavement; they do not have the aggressive lug pattern required for technical trail terrain.

How do I know if the size is right?

You should have about a thumb's width of space between your longest toe and the front of the shoe to account for foot swelling.

Is the ReactX foam different from standard React foam?

Yes, ReactX foam is engineered to provide more energy return and is more environmentally conscious in its manufacturing process than standard React foam.

How often should I replace these trainers?

It is generally recommended to replace running shoes every 300 to 500 miles, depending on your running surface and gait.

Troubleshooting

Feeling tightness around the midfoot

Adjust the lacing pattern to a looser tension, or consider a runner's loop at the top eyelets for better security.

Sole grip feels slippery on wet surfaces

Ensure the outsole is free of caked-on dirt or debris; if performance remains poor, avoid running on exceptionally slick surfaces.

Pros and Cons

Pros

  • Superior energy return from ReactX foam
  • Excellent long-distance stability
  • Breathable construction for comfort
  • Modern, high-visibility aesthetic

Cons

  • May feel bulky to minimalist runners
  • Specific fit profile requires accurate sizing
  • Limited to road and hard surface use

Setup, Compatibility & Care

To ensure the best performance from your trainers, start by confirming your size—the Nike ReactX Infinity Run 4 offers a consistent fit across the adult range. When lacing, ensure the midfoot lockdown is secure but not restrictive to allow for natural foot swelling during exercise.

Care Instructions:

  • Cleaning: Wipe away dirt with a damp cloth and mild soap. Avoid submerging the shoes in water.
  • Drying: Air dry at room temperature away from direct heat sources like radiators to prevent damage to the foam.
  • Maintenance: Periodically check the outsole tread for debris and replace the shoes if the cushioning loses its rebound properties after extensive mileage.

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