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 Free 4.0 V3 - Mens Running Shoes | Men's Shoes | Gumtree Australia Inner Sydney - Sydney City | 1314118186
Abbreviation function of the muscles Nike Free 4.0 V3