Nike Free 4.0 V4 Mens running shoes Model 642197 140 - 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).
Nike Free 4.0 Flyknit Black Men's - 631053-001 - US
Men's Nike Free Metcon 4 - Road Runner Sports
Are You Ready For The 2015 Nike Free 4.0 Flyknit Collection? • KicksOnFire.com