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 plans on debuting 'Back to the Future' shoes in 2015 | For The Win
Nike Men's Air Max 2015 Running Sneakers From Finish Line in Gray for Men | Lyst
Rafael Nadal Nike Shoes US Open 2015 (2) – Rafael Nadal Fans
Nike Flex 2015 RUN Black/White - Stylish and Comfortable