Womens Nike Free Run 4.0 Flyknit Size 5.5 in Black Like New - clothing & accessories - by owner - apparel sale -...
Nike Free 4.0 Flyknit Review | Running Shoes Guru
Lifting The Bar » Review: Nike Free 4.0 v2 Running Shoes
Have used these Nikes back in 2015 ( Nike Free 4.0 v3). Personally loved the comfort of these shoes. I can't find these anymore where I live ( not in the US).