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).
The Men's 2015 Nike Free 3.0 Flyknit • KicksOnFire.com
Nike Free 5.0 2015 Review
Amazon.com | Nike Flex 2015 Rn Big Kids Style: 724988-600 Size: 5.5 M US | Athletic
2015 Nike Free 5.0, 4.0 Flyknit and 3.0 Flyknit Released Today