Nike Free 4.0 Flyknit Running Shoes Wolf Grey Volt Pure Platinum 620659-018 sz 8 | eBay
Nike Free 4.0 V2 new Zealand, SAVE 37% - mpgc.net
Nike Free 4.0 Flyknit Black Men's - 631053-001 - 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).