Nike Free 4.0 Flyknit Black Men's - 631053-001 - US
Nike Free 4.0 Flyknit Review | Running Shoes Guru
Nike Free Running Shoes. Nike.com
Nike Free 4.0 Flyknit Mens Blue Mesh Athletic Lace Up Running Shoes - Walmart.com
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).