Nike Juniper Trail 2 NN - White - UK 8

While they can be used for short distances on roads, they are primarily designed for trail running. The outsole tread is optimized for off-road grip and may wear down faster on pavement. For dedicated road running, a shoe with a smoother outsole would be more appropriate.

Refer to Nike's official sizing chart for accurate measurements. It is recommended to measure your foot at the end of the day when feet are slightly larger. For trail shoes, some prefer a slightly more generous fit to accommodate swelling and thicker socks.

The 'NN' typically signifies a running update or refinement to the original model, often involving improvements to materials, fit, or performance characteristics.

The shoes offer some protection against light moisture due to their construction, but they are not waterproof. For heavy rain or deep water, water may enter the shoe. It is advisable to let them air dry thoroughly afterward.

Nike typically offers a limited warranty against manufacturing defects. Specific terms and duration can vary by region and retailer, so it is best to check the official Nike website or the retailer's policy for details.

For optimal performance and injury prevention, trail running shoes are generally recommended to be replaced every 300-500 miles (480-800 km) or when you notice significant wear on the outsole, loss of cushioning, or discomfort.

Ensure laces are loosened before putting on the shoe. Adjust lacing to provide more volume or reduce pressure points. Consider if the size is correct or if breaking-in is needed for a few runs.

Be aware that aggressive trail outsoles perform best on dry to moderately wet terrain. Reduce speed and exercise caution on very slick or muddy surfaces. Ensure the outsole is free from debris that might impede grip.

Inspect the outsole for embedded objects. If wear is significant, it may be time to consider replacement, especially if performance or comfort is affected.