Nike Free 4.0 Flyknit Men US 8 Gray Running Shoe - Walmart.com
Nike Men's Free 4.0 V5 Running Shoe, Size 9.5
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).
Nike Men's Free 4.0 V5 Running Sneakers From Finish Line - Macy's