Nike Free RN 2018 Trainers - Black - Gold - UK 5.5

Measure your foot length from the heel to the tip of your longest toe. Compare this measurement to the Nike sizing chart provided by the retailer or on the Nike website for the most accurate fit.

While comfortable, the minimalist cushioning might not offer sufficient protection and support for the demands of marathon distances for all runners. They are generally better suited for shorter to mid-distance runs.

Yes, the Nike Free RN 2018 trainers are very comfortable and versatile, making them suitable for casual wear and everyday activities in addition to running.

Use a soft brush or cloth with a little soap and cool water to gently clean the mesh. Avoid harsh scrubbing. Rinse with clean water and allow to air dry.

The main advantage is the enhanced flexibility and natural feel, promoting a more barefoot-like running experience. This allows the foot to move more naturally and intuitively.

The Nike Free RN 2018 has a neutral support structure. It does not feature significant built-in arch support. Runners who need specific arch support may need to add their own insoles.

Ensure you have selected the correct size by measuring your foot. Adjust the lacing system to find a more comfortable fit. Allow for a break-in period of a few runs.

Clean the outsole grooves to remove any debris that may be restricting movement. Ensure the shoes are not being exposed to excessive heat or harsh chemicals.

Consider using aftermarket insoles designed for added cushioning if you are running longer distances or on harder surfaces. Remember, these shoes are designed for a more natural feel.