Karrimor Duma 6 Trainers - Black - UK 11.5

While they offer good cushioning, they are best suited for shorter to medium-distance runs (5-10k) and general training. For marathons, specialized long-distance running shoes might provide more tailored support and cushioning.

There should be a thumb's width of space between your longest toe and the end of the shoe when standing. The heel should feel secure without slipping, and the midfoot should feel snug but not tight.

Yes, the supportive design makes them suitable for a variety of cross-training activities, providing stability for exercises like squats and lunges.

For optimal performance and injury prevention, it's generally recommended to replace running shoes every 300-500 miles (480-800 km) or when you notice significant wear on the outsole or a reduction in cushioning.

No, these trainers are not waterproof. They are designed for breathability and performance in dry conditions. They are not suitable for use in wet weather or puddles.

The Duma 6 is typically designed with a focus on balanced cushioning and support for everyday running and training. Specific differences will vary by model year and intended use, but the Duma series generally aims for versatility.

Ensure you have the correct UK size. Consider wearing them for short periods initially to allow them to break in. Thicker or thinner socks can also affect fit.

Cushioning naturally degrades with extensive use. If performance noticeably decreases after prolonged wear, it may be time to consider a replacement pair.

Ensure the sole is clean and free from debris. If the issue persists, the tread may be worn down, indicating the shoes need replacing, especially if used on wet surfaces.