Nike Free Flyknit 4.0 Multi-Color Men's - 631053-004 - US
Nike Free 4.0 Flyknit Women's Size 9 Running Shoes White Black | eBay
Nike Free 4.0 Flyknit Black Men's - 631053-001 - US
Nike Free 4.0 Flyknit White Black Volt 631053100 - KicksOnFire.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).