Up your running game with these men's Free RN Flyknit 2017 Trainers from Nike. A fresh take on a running essential, lightweight, one-piece Flyknit mesh keeps the foot exceptionally cool, while the Flywire lacing system locks your foot down, delivering supreme support when you need it most. The rounded heel delivers a more natural, comfortable footstrike from the first mile to the last, while the flexible Free outsole delivers multi-directional expansion and contraction for a smoother, more natural running experience.. Material: Textile Upper/Synthetic Sole
