Nike Air VaporMax Flyknit 2 Racer Blue | eBay。Authenticity Guarantee Flyknit The revolutionary technology of the superstructure reminiscent of the net. It is extremely light, thin and extremely strong. Digging through it fits perfectly on the foot. Flywire These are the fibers located in the upper shoes that constrict the movement of the legs. This provides maximum support, stability, and is also to reduce the weight of shoes. Reflective elements It is a reflective material that reflects light, thereby increasing your safety at dusk and darkness. ABOUT THIS PRODUCT A contrasting colorway, the Air VaporMax 2 Flyknit \'Volt\' works a mix of black and Volt into its Flyknit construction. Supported by black Flywire cables, a heel counter and toe overlay further support the fit. Underfoot, a solid black VaporMax unit provides cushioning while forgoing the need for a midsole.