I’ve worked out in various versions of the Nike Free since the Nike Free Flyknit was released in 2013, and the Nike Free RN NN is the newest version of this simple, versatile training shoe.

"With the LunarEpic Flyknit, Nike has done something pretty bold. But while the new mid-cut collar and the new soles look pretty cool, the proof with running shoes is always in the first time you ...