Nike Air Zoom Alphafly Trainers - Red/Purple - UK 5.5

These trainers are primarily designed for dedicated adult female runners, particularly those focused on racing and achieving peak performance.

They utilize Nike's latest foam technology combined with Zoom Air units and a carbon fiber plate to provide exceptional comfort and significant energy return.

Clean with a soft brush and mild soap with cool water. Avoid machine washing and direct heat for drying. Always air dry.

While comfortable, their specialized performance design makes them best suited for running. They are not ideal for casual wear or other sports.

The carbon fiber plate works with the cushioning system to create a propulsive feel, helping to improve running efficiency and speed.

Yes, they are excellent for marathon training and racing due to their advanced cushioning and energy return features, designed to reduce fatigue over long distances.

The 'SE' typically denotes a Special Edition, often indicating unique colorways or subtle design variations compared to the standard model.

This can sometimes occur due to moisture trapped between layers. Try removing the insole and letting the shoe air dry completely. A light dusting of talcum powder under the insole might help if the noise persists.

Ensure the laces are tied correctly, providing a snug but not restrictive fit. If the shoe is consistently too tight or loose, consider if this is the correct size and width for your foot. Consult Nike's sizing guide for accurate measurements.

The advanced foam and plate technology may gradually compress with extensive use. Ensure the shoes are clean and free from debris, which can sometimes affect performance. For very high mileage, consider that performance characteristics may naturally decrease.