Nike Air Zoom VictoryTrack & Field Distance SpikesSECURE RESPONSIVENESS FOR A SHORT-DISTANCE RACE.Push for your personal best in the Nike Air Zoom Victory. Its design is built with the support and stability you need for a run from 800 to 5,000 meters. Lightweight SupportIntroducing the latest version of FlyKnit—AtomKnit. Flyknit fabric is stretched, steamed and set. It delivers a lightweight, contoured fit with minimal water absorption and enhanced breathability.More Energy ReturnNike ZoomX foam in the heel is incredibly responsive and lightweight, giving you optimal energy return and impact absorption for your miles. It combines with a Zoom Air unit, delivering efficient energy return with every step. A carbon fiber plate provides a snappy sensation with each step.Data from hundreds of runners helped inform the outsole. Traction is placed in all areas of contact for grip from toe-off to finish.Shoelaces are notched so the laces stay in place.  More Details  Textile in the upper Removable spikes World Athletics approved