The Nike Train Ultrafast Flyknit has a lightweight propulsion plate integrated into the outsole that increases responsiveness as you cut or run, while a Flyknit construction provides flexibility and breathability.Features Include:Flyknit construction offers flexibility support and breathability1.5cm-height collar offers a sock-like fit that hugs the foot and supports the ankleLightweight thermoplastic plate in the outsole for responsive propulsionInjected unit sole foam offers lightweight cushioningCrossed Flywire cables wrap the midfoot for adaptive lockdown and supportRubber outsole has an aggressive traction pattern for excellent grip
