Nike Pegasus Premium Trainers - Ivory/Black - UK 9

The primary benefit is the combination of advanced cushioning technologies (React X Foam, Zoom X Foam, Air Zoom Unit) that provide exceptional comfort and responsiveness for a smooth, energetic stride.

Yes, the advanced cushioning and comfort features make them well-suited for marathon distances.

Gently wipe the upper with a damp cloth and use a brush for the outsole. Avoid machine washing and harsh chemicals.

They are primarily designed for road running but the modified waffle outsole offers good traction for light trails as well.

While designed for running, their comfort and style make them suitable for casual wear.

React X Foam offers a balance of cushioning and responsiveness, while Zoom X Foam is Nike's lightest and most responsive foam, providing maximum energy return.

The lifespan varies based on mileage, running surface, and individual biomechanics, but typically ranges from 300-500 miles (500-800 kilometers).

Loosen the laces and re-tie them, ensuring not to overtighten. If still too tight, consider if a different size or width is needed.

Cushioning naturally degrades with mileage. Ensure you are not exceeding the expected lifespan of the shoe for your running volume. Clean the shoes to ensure no debris is impacting feel.

Check the tread on the outsole for wear. Ensure the shoes are laced properly for a secure fit. If running on wet surfaces, be aware that even durable outsoles have limitations.