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).
Nike Free 3.0 v4 Review | Running Shoes Guru
Nike Free 4.0 V3 (Anthracite/Black) - Consortium
Nike Free 4.0 Flyknit Black Men's - 631053-001 - US
2015 Nike Free 5.0, 4.0 Flyknit and 3.0 Flyknit Released Today