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).
Are You Ready For The 2015 Nike Free 4.0 Flyknit Collection? • KicksOnFire.com
Nike Free 4.0 Flyknit Mens Blue Mesh Athletic Lace Up Running Shoes - Walmart.com
Nike Free 4.0 Flyknit - Second Hand Running shoes - Women's - Black - 40 | Hardloop