ASICS GEL-QUANTUM 360 I AMP Trainers Black / Grey UK 9

The lifespan depends on usage, but typically, replace them every 300-500 miles or when the cushioning starts to degrade significantly.

It's not recommended. Hand washing with a soft cloth and mild soap is best to preserve the materials.

Choose socks based on your activity. For running, use moisture-wicking socks. For everyday wear, choose comfortable socks based on the weather.

ASICS offers different widths. Check the specific model's availability in wide sizes if you require a wider fit.

Measure your feet and compare them to the ASICS size chart. Consider trying them on in a store if possible, and ensure there is enough space in the toe box.

Air dry them at room temperature. Avoid direct sunlight or heat, which can damage the materials.

Yes, they are suitable for walking, general fitness, and everyday wear. They are not ideal for sports with high lateral movements.

Check the lacing and ensure it's not too tight. Consider wearing thinner socks. If the issue persists, you might need a different size.

This could be due to wear. If the trainers are old, consider replacing them. Make sure there are no deep cuts or damage to the midsole.

Ensure the rubber outsole is clean. If the issue continues, consider using them on drier surfaces and be cautious on wet ground.