Nike React Infinity Run Flyknit 3 - White Blue Orbit - UK 12

Its unique combination of Nike's React foam for plush cushioning and energy return, along with the adaptive, breathable Flyknit upper, provides a comfortable and supportive running experience.

It is best suited for adult male runners looking for a comfortable, well-cushioned shoe for daily training, long runs, and recovery runs on road surfaces.

The Flyknit upper is engineered to be lightweight, breathable, and stretchy, offering a secure yet flexible fit that adapts to your foot's shape and reduces the risk of irritation.

Yes, its excellent cushioning and responsive feel make it a strong candidate for marathon training, helping to reduce fatigue on long runs.

While comfortable, these trainers are specifically designed for running. They may not provide the necessary lateral support or durability for sports involving frequent side-to-side movements.

There should be about a thumb's width of space between your longest toe and the end of the shoe when standing. The fit should be snug but not tight, with no heel slippage.

Nike React foam is known for its durability, maintaining its cushioning properties over many miles, typically offering a lifespan of 300-500 miles depending on usage and conditions.

Loosen the laces, especially around the midfoot. Ensure you are wearing appropriate running socks. If the tightness persists, consider if this is the correct size or model for your foot shape.

Check lacing technique and ensure it's not too tight or uneven. Verify shoe size. If discomfort continues, the shoe's cushioning or support profile may not suit your biomechanics.

This can sometimes occur with new Flyknit. Ensure socks are worn and break in the shoes with shorter runs. If irritation persists, the fit might be slightly off for your foot.

React foam is durable, but the sensation of cushioning can change. Ensure the shoes are not overloaded beyond their intended mileage (typically 300-500 miles). Inspect for excessive wear.