Our range of cross country spikes are lightweight with a sock-like fit and are compatible with different sizes of spike pins that you can change depending on the conditions of the course. Shorter pins are great for dryer races where not as much traction is necessary, medium length for mud and longer pins for courses that are particularly muddy or have been churned up by earlier races. As a precaution we'd always recommend double tying your spike laces and tucking them into the sides of the shoes to prevent them coming undone during your race.