Nike React Infinity Run Flyknit 3 - Pink - UK 7.5

Generally, running shoes should be replaced every 300-500 miles. However, this depends on your running style and the wear and tear of the shoes.

While the React Infinity Run Flyknit 3 is primarily designed for running, it can be used for light cross-training activities. However, it may not provide the same level of support and stability as shoes specifically designed for cross-training.

Refer to the Nike size chart and measure your feet accurately. It's best to measure your feet at the end of the day when they are at their largest.

The Flyknit upper can feel snug. Consider ordering a wider size or trying on the shoes in person to ensure a comfortable fit.

Experiment with different lacing techniques to find the most comfortable and secure fit. Runners often use a heel lock lacing technique to prevent slippage.

Nike offers a standard warranty for manufacturing defects. Contact Nike customer service for warranty details and claims.

Consider ordering a half size up. Ensure the laces are properly adjusted for a comfortable fit.

Ensure the shoe size is correct and consider using different lacing techniques. Consult a podiatrist if pain persists.