FREE FLOWING COMFORT. Designed for shorts runs, the Nike Free RN 2017 Men's Running Shoe is the most easy-going of the Free family. The innovative sole lets your foot flex and expand naturally. They're easy to pack in a tote or backpack and have a simple style that fits in with an everyday outfit-so you could get in a few unplanned miles.
Breathable, single-layer mesh and synthetic upper materials
Padded tongue and collar
Removable foam insole