Nike ReactX Infinity Run 4 - Blue - 7.5

Experience superior comfort and performance with the Nike ReactX Infinity Run 4. Engineered for ru...

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KICKSCREWNike Men's Anthracite/Black/Baltic Blue Reactx Infinity Run 4 'Baltic Blue' Dr2665-008
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Product Information

Full details

The Nike ReactX Infinity Run 4 is designed for adult male runners seeking a balance of premium responsive cushioning and reliable stability during their daily training sessions. Featuring Nike's advanced ReactX foam technology, this shoe delivers an energized, smooth ride that minimizes fatigue on long runs, though runners preferring a lightweight racing flat may find it slightly bulkier due to its focus on structural support.

All features

Age Groupadult
ColourBlue
GenderMale
Shoe Size UK7.5
SeriesReact
Model Part NumberDR2665-008
BrandNike

Extended Product Information

FAQs

Is this shoe suitable for trail running?

The ReactX Infinity Run 4 is primarily designed for road running. While it can handle light, well-maintained paths, it does not offer the specialized tread or protection needed for technical trails.

Does this model provide arch support?

It is designed with a stable geometry that encourages a natural, neutral foot strike, which many runners find provides sufficient arch support for daily training.

Can I use orthotic insoles with this shoe?

Yes, the factory insoles are removable, allowing you to insert custom orthotics if preferred.

How should I clean the Baltic Blue mesh?

Spot clean using a gentle brush or damp cloth with a mild detergent. Avoid machine washing or drying, as this can degrade the adhesive and foam properties.

What is the primary difference between React and ReactX foam?

ReactX foam is engineered to provide higher energy return and improved cushioning performance while maintaining the soft, responsive feel of the original React foam.

Troubleshooting

Feeling pressure on the top of the foot

Try a different lacing technique, such as the window lacing method, to reduce tension over the instep.

Outsole debris collection

Use a soft-bristle brush to gently remove small stones or gravel from the rubber tread to maintain optimal traction.

Unpleasant odor

Remove the insoles after runs to allow the interior to dry completely and use an odor-neutralizing spray if necessary.

Pros and Cons

Pros

  • High level of responsiveness and comfort
  • Stable platform for a secure running experience
  • Durable construction suitable for high-mileage training
  • Sleek Baltic Blue design for a modern aesthetic

Cons

  • Heavier than minimalist racing shoes
  • Limited to road and hard surface use
  • Requires break-in time for optimal foam responsiveness

Setup, Compatibility & Care

To ensure your Nike ReactX Infinity Run 4 remains in top condition, proper care is essential.

Setup: Ensure you have the correct size for your gait; the shoe features a secure lacing system that should be tightened to provide a snug fit without restricting circulation.

Compatibility: This is a neutral-to-supportive trainer, making it suitable for a wide range of runner profiles.

Care:

  1. Clean by wiping with a damp cloth and mild soap.
  2. Air dry at room temperature; avoid direct heat sources like radiators, which can warp the foam.
  3. Replace every 300 to 500 miles, depending on your running surface and intensity, to ensure the midsole cushioning remains supportive.

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