Hi! Im running on trails barefoot avarage 300 km in month. I have tough soles, where they touching ground, but my problem is arch area. I have big pain, when im hitting roots, stones with arch area. Are any has idea how to toughen that area?
Problem area, where my thumb on photo:
http://i.imgur.com/kpEZ8pJ.jpg
Problem area, where my thumb on photo:
http://i.imgur.com/kpEZ8pJ.jpg