Nike React Infinity Run Flyknit 2 - Pink - UK 11

Yes, the React Infinity Run Flyknit 2 provides ample cushioning and comfort suitable for marathon distances due to its responsive React foam and supportive design.

While designed for running, their comfort and style make them suitable for casual wear. However, frequent casual wear may accelerate wear on the outsole intended for running.

Refer to Nike's official sizing chart. These trainers generally fit true to size, but runners with wider feet might find them snug. It's recommended to try them on if possible.

The Flyknit upper is highly breathable but not waterproof. It will offer some resistance to light moisture but is not designed for use in heavy rain or wet conditions.

The React Infinity Run Flyknit 2 features an updated design with enhanced stability and a more refined React foam compound for improved responsiveness and a smoother transition.

Most runners replace their trainers every 300-500 miles (480-800 kilometers) or when they notice a significant decrease in cushioning or support. This can vary based on running style and surface.

They can be used for light gym activities, but their primary design is for running. For heavy lifting or cross-training, a shoe with a flatter, more stable base might be more appropriate.

This can sometimes occur due to moisture trapped between the insole and midsole. Try removing the insole and ensuring both are completely dry.

The Flyknit upper is designed to be snug. Ensure laces are loosened appropriately before putting on, and try wearing thinner socks. If the issue persists, consider trying a half-size up.

The React foam is durable, but its responsiveness can be affected by heavy wear and tear. Ensure the shoes are used primarily for running and are cared for properly. For heavily used shoes, consider replacement after 300-500 miles.