Nike ReactX Infinity Run 4 - Blue - UK 10.5

This shoe is ideal for adult male runners who need a stable, cushioned shoe for daily training, long runs, and recovery runs. It's particularly beneficial for those seeking support and comfort to help mitigate fatigue.

ReactX foam offers improved sustainability with a lower carbon footprint compared to traditional React foam. It also provides enhanced energy return and a softer, more responsive feel underfoot, leading to a more comfortable ride.

Yes, the ample cushioning and stable platform make it an excellent choice for marathon training, especially for the longer, slower runs where comfort and reduced impact are crucial.

While they offer good energy return, their primary design is for comfort and stability over distance. They can be used for tempo runs, but for pure speedwork or race day, lighter, more aggressive racing shoes might be preferred.

The outsole is constructed with durable rubber designed for road running, offering good traction and longevity for a significant number of miles, typically between 300-500 miles depending on running style and terrain.

The primary difference is the introduction of ReactX foam, offering better cushioning, energy return, and sustainability. Additionally, the design often includes refinements to stability features and upper fit for enhanced comfort and support.

The shoe features a standard width. While the engineered mesh offers some flexibility, individuals with significantly wide feet might find them snug. Checking the fit in person or consulting size guides is recommended.

Ensure you have the correct size and width. Try lacing the shoes differently to adjust pressure points. If the issue persists after a few runs, consider if a different model might be a better fit for your foot shape.

The ReactX foam is designed for durability, but like all cushioning, it will eventually compress. If you notice a significant decrease in shock absorption after many miles (typically 300-500 miles), it may be time to replace them.

While the outsole offers good traction, wet surfaces can be challenging for any running shoe. Exercise caution and reduce speed on wet roads. Ensure the outsole tread is not excessively worn down.

The engineered mesh is designed to be supportive. If it feels too tight, ensure the laces are not overtightened. Some minor stretching may occur over time, but significant restriction could indicate an improper fit.