Nike Free RN Flyknit 3.0 Mens Running Shoes. Nike Free RN Flyknit 3.0 Mens Running ShoesThe Nike Free RN Flyknit 3.0 Mens Running Shoes features a game changing lace free fitting with a stretchy Flyknit upper for a second skin feel. The latest Flex outsole design offers up to 26% more flexibility than previous models, allowing you to run closer to nature.> Mens running shoes> Lace-free fitting> Flyknit construction> Supportive TPU yarns> Anatomical outsole design> Single density midsole foam> Laser cut flex grooves from heel to toe> 4mm offset