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Nike InfinityRN 4 - White/Red - UK 9

Nike InfinityRN 4 - White/Red - UK 9

The Nike InfinityRN 4 Men's Running Shoes are designed for maximum comfort and stability, targetin...

Best current price£152.00from KICKSCREW

Shoe Size UK
1010.51111.51212.5131416171866.577.588.599.5
Colour
BlackWhite
Accent Colour
BlackRedWhite

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Nike Men's White/Black/Platinum Tint Reactx Infinity Run 4 ' Bright Crimson' Dr2665-104

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KICKSCREWNike Men's White/Black/Platinum Tint Reactx Infinity Run 4 ' Bright Crimson' Dr2665-104
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Product Information

Full details

The Nike InfinityRN 4 Men's Running Shoes are designed for adult male runners seeking maximum comfort and stability for daily training and longer road runs. The key benefit is a reliable, comfortable, and supportive experience that helps reduce foot movement and offers confidence for those with mild pronation or past injury concerns. A potential caveat is that some users may need to go up half a size from their usual fit for optimal comfort. Key features include Nike ReactX foam for enhanced cushioning and responsiveness, an updated Flyknit upper for breathability and support, a secure midfoot band, increased toe room, and a durable waffle-patterned outsole.

All features

Age Groupadult
ColourWhite
GenderMale
Shoe Size UK9
Accent ColourRed
Shoe TypeTrainers
SeriesInfinityRN 4
Model Part Number197594641396
BrandNike

Extended Product Information

FAQs

What is the main difference in the InfinityRN 4 compared to previous versions?

The primary updates include the new Nike ReactX foam midsole, offering increased energy return and improved sustainability, and an updated Flyknit upper for a more secure and breathable fit. The outsole also features increased rubber for better durability and traction.

Who is the target user for the Nike InfinityRN 4?

These shoes are designed for adult male runners seeking comfort and stability for daily training, long road runs, and walking. They are particularly beneficial for those with mild pronation or who need extra cushioning and support.

How does the ReactX foam benefit the runner and the environment?

ReactX foam provides 13% more energy return than previous Nike foams, leading to a more efficient and responsive run. Environmentally, it has a 43% lower carbon footprint due to its manufacturing process, making it a more sustainable choice.

Should I go up half a size?

Yes, if you haven't purchased this specific product before, Nike recommends going up half a size to ensure the best possible fit and comfort.

Are these shoes suitable for racing?

While comfortable and responsive, the InfinityRN 4 is primarily designed as a supportive daily trainer. For maximum speed in races, runners might prefer lighter, more performance-oriented racing shoes, but these can be used for shorter, faster efforts if desired.

How do I clean my Nike InfinityRN 4 shoes?

Use a damp cloth or sponge with mild soap and water to clean the shoes. Avoid machine washing or using harsh chemicals. Allow them to air dry naturally.

What kind of surfaces are these shoes best for?

They are optimized for road running and general training. The durable waffle outsole provides good traction on pavement, sidewalks, and treadmills. They can also handle light, well-groomed trails.

Troubleshooting

Shoes feel too tight or uncomfortable

Ensure you have followed the recommendation to go up half a size if you haven't purchased this model before. Try adjusting the lacing system to create more volume or space. Ensure socks are not excessively thick.

Reduced cushioning or responsiveness over time

The ReactX foam is designed for durability, but cushioning can naturally decrease after extensive use (typically 500-800 km). Consider replacing the shoes if performance significantly degrades.

Traction issues on wet surfaces

While the outsole is designed for durability and traction, extremely wet or slippery conditions may still pose a challenge. Clean the outsole periodically to remove debris that can impede grip. For exceptionally slick conditions, exercise caution.

Upper feels loose or unstable

Ensure the internal Flyknit fit band and laces are properly secured. Re-lacing the shoes using a runner's knot or alternative lacing techniques can help create a more secure midfoot lockdown.

Pros and Cons

Pros

  • Superior cushioning and shock absorption with ReactX foam.
  • Enhanced stability and reduced foot movement due to the supportive design.
  • Breathable and adaptive fit from the updated Flyknit upper.
  • Improved durability and traction from the redesigned outsole.
  • Sustainable manufacturing process for the ReactX foam.
  • Increased comfort for longer runs with extra toe room.

Cons

  • Users may need to adjust sizing (go up half a size) for the best fit.
  • While supportive, might not be ideal for runners needing extreme stability for severe pronation.
  • The focus on daily training comfort might mean less emphasis on lightweight speed for racing.
  • Flyknit upper, while breathable, might not offer the same level of waterproof protection as other materials in very wet conditions.

Setup, Compatibility & Care

Setup: These shoes are ready to wear straight out of the box. No specific setup is required beyond ensuring you have the correct fit. It is recommended to try them on with the type of socks you typically run in.

Sizing Recommendation: If you haven't worn this specific model or size before, it is advised to go up half a size to achieve the perfect fit due to variations in internal construction.

Compatibility: Designed primarily for road running and daily training. The waffle outsole provides good traction on paved surfaces, light trails, and treadmills.

Care Instructions:

  1. Cleaning: Gently brush off loose dirt and debris with a soft brush. For deeper cleaning, use a damp cloth or sponge with mild soap and water. Avoid machine washing or using harsh detergents, as this can damage the materials.
  2. Drying: Allow the shoes to air dry naturally at room temperature. Do not place them near direct heat sources like radiators or in a clothes dryer, as this can alter their shape and material integrity.
  3. Storage: Store in a cool, dry place away from direct sunlight. Ensure they are not compressed or stored in a way that could deform their structure.

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