Amazon.com: Customer reviews: Nike Mens Free Trainer 3.0 V4 Black/Black/Tumbled Grey/Total Orange 15 D (M)
Nike Free 4.0 Flyknit Review: The Best Nike Free Yet?
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).