Nike ReactX Infinity Run 4 Trainers - Black - White - 11.5

The Nike ReactX Infinity Run 4 provides a smooth and responsive ride for your daily training sessi...

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KICKSCREWNike Men's Black/Anthracite/Volt Reactx Infinity Run 4 Gore-Tex ' White' Fb2204-001
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Product Information

Full details

The Nike ReactX Infinity Run 4 is designed for adult male runners seeking a reliable, high-performance trainer for daily mileage. Featuring advanced foam technology, these shoes deliver a smooth and responsive ride that helps maintain comfort across varying distances, though runners looking for a lightweight racing flat may find the plush cushioning slightly bulkier than dedicated speed shoes.

All features

Age Groupadult
ColourBlack
GenderMale
Shoe Size UK11.5
Accent ColourWhite
Shoe TypeTrainers
SeriesReactX Infinity Run 4
Model Part NumberFB2204-001-115
BrandNike

Extended Product Information

FAQs

Is this shoe suitable for trail running?

These trainers are designed primarily for roads, tracks, and treadmills and do not have the aggressive lug pattern needed for technical trail surfaces.

How often should I replace these shoes?

Generally, running shoes should be replaced every 300 to 500 miles, depending on your running style and surface.

Can I use these for speed work?

While they are responsive, they are optimized for comfort and stability rather than pure speed, making them better for training than racing.

Are these shoes true to size?

Nike trainers generally follow standard sizing, but it is recommended to have a thumb's width of space at the front of the toe box for comfort.

What is the primary benefit of ReactX foam?

ReactX foam provides higher energy return and increased comfort compared to standard React foam, making it more resilient over long distances.

Troubleshooting

Feeling of slipping or instability

Check your lacing technique; try a runner's knot to ensure a tighter lockdown around the ankle.

Foam feels stiff in cold weather

ReactX foam is temperature-sensitive; allow the shoes to reach room temperature before your run for optimal softness.

Pros and Cons

Pros

  • High-performance cushioning for joint protection
  • Excellent stability for daily mileage
  • Responsive ride quality
  • Versatile and sleek design

Cons

  • Heavier than competitive racing models
  • Not intended for extreme off-road terrain
  • Less ground feel due to plush foam

Setup, Compatibility & Care

To ensure the longevity of your Nike ReactX Infinity Run 4 trainers, follow these guidelines:

  1. Break-in: While comfortable out of the box, perform a few short walks or light jogs to allow the foam to adapt to your stride.
  2. Cleaning: Hand wash with a mild soap and cold water. Never put the trainers in a washing machine or dryer, as heat can degrade the cushioning foam.
  3. Air Drying: Always air dry in a well-ventilated area away from direct sunlight, which can cause the materials to stiffen.
  4. Storage: Store in a cool, dry place. Avoid keeping them in damp gym bags for extended periods to prevent odor and material breakdown.

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