Nike Free Flyknit 4.0 Black Volt Bright Crimson Men's - 631053-009 - US
Nike Free Run 4.0 642197-100 Men's Size 11.5 White & Black Running Shoes 9487 | eBay
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).