The upper portion of the Nike Flyknit Racer has the Knit Construction, which features an overlay-free upper. With the presence of this construction, runners will be able to experience having a sock-like and seamless fit. This ensures that you will be able to feel comfortable during the whole duration of the run. In addition to that, this shoe also has the Low Profile Knit Tongue that offers comfort and breathability. Throughout the run, you will be assured that your feet will always remain cool and dry.
Another feature of the Nike Flyknit Racer is the Dynamic Flywire. It provides great fit and the support that you while running, but the good thing about this shoe is that, it also reduces the overall weight of the shoe