Nike Free Flyknit 4.0 Multi-Color Men's - 631053-004 - US
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).
Amazon.co.jp: Nike DH5392-002 React Infinity Run FK 3 Black/Blue Glow/Pink Prime/White, black/blue glo/pink prime/white : Clothing, Shoes & Jewelry
Squadron Blue On The Nike Free 4.0 Flyknit • KicksOnFire.com