Whether it's the 100m, 200m, or the short hurdles - the SonicSprint� is ideal for top level sprinters seeking a high performance shoe for fast times on the track. The sturdy Pebax Plate of the SonicSprint� provides a great platform for building speed from the gun. The removable 6-pin spike configuration is positioned to the exact needs of sprinters for start, push, and finish. The form- fitting upper of the SonicSprint� model features lightweight yet supportive synthetic leather for enhanced control when burning the curve. Comes with 6mm pyramid spikes and wrench.