For runners who want their feet to do the work, the Nike Free 3.0 Flyknit has the flexibility so your feet move naturally. A low-profile midsole keep you in touch with the ground but provides enough protection so you don't feel beat up. The unique Flyknit upper delivers a seamless, sock-like fit.
Midsole
Phylite uses a lightweight midsole material designed for a resilient ride with enough durability to double as an outsole.
Nike Free sipes uses gender specific flex grooves to allow barefoot-like flexibility and stability.
Transtarsal Flex Groove is a continual groove that runs the length of the shoe for improved flexibility and more natural foot movement.
Upper
Knit Construction features a one piece, overlay-free upper, resulting in a seamless and sock-like fit.
Dynamic Flywire provides necessary support and unmatched fit while reducing the shoes overall weight.
Molded sockliner mimics the curvature of the foot for a closer fit and underfoot cushioning.
Strobel Last with the upper stitched to full-length fabric for a comfortable underfoot feel.
Outsole
BRS 1000 carbon rubber is located at the heel and big toe area for durability.