Nike's newest iteration of the high-performance Free running shoe features super-lightweight construction with a low-profile midsole for a fluid, sock-like fit. It provides the foot-strengthening benefits of barefoot running with the comfort and protection of a traditional shoe, and the updated Flywire technology delivers the most supportive fit of the Nike Free family. Style Name: Nike Free Rn 2 Running Shoe (Women). Style Number: 5272964 1. Available in stores.