Nike Free run 4.0 womens Blue pink Athletic shoes size 9 642200-461 - beyond exchange
Mens Nike Free 4.0 Flyknit Bright Crimson Black Hot Lava Volt 717075-6 - Walmart.com
Tips for Buying Minimalist Barefoot Running Shoes. Nike.com
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 Flyknit Black Men's - 631053-001 - US
Mens Nike Free 4.0 Flyknit Bright Crimson Black Hot Lava Volt 717075-6 - Walmart.com