The Free Metcon 6 supports every grunt, growl, and 'got it!'" Shoppers have rated these Nike shoes 4.5 stars out of five. "These are great shoes. So comfortable and they look great too.

This Nike Free X Metcon 2 review might introduce you to a whole new type of shoe. Some people might question why you would need a trainer specifically for working out in the gym, seeing as any old ...