Built to the specifications of some the best marathon runners in the world, the Nike Flyknit Zoom Streak is tough and comfortable enough to take on 26.2.

* Seamless, one-piece Flyknit upper conforms to the foot for a comfortable second-skin fit.

* Dynamic Flywire cables provides customizable lockdown through the midfoot.

* Phylon midsole with integrated Pebax shank for underfoot cushioning and fast, snappy response.

* Blown rubber outsole for durable traction on any surface.