The lightest sprint spike in our line the new Elite model of the SonicSprint was created for our elite sprinters, combining lightweight performance with a snug fit that feels like an extension of your foot. The new sprint plate is made of our super light composite called fastglass that allows for the perfect amount of rigidity for creating power. The removable 6 pin spike configuration is positioned to the exact needs of sprinters for start, drive and finish. The upper of the Elite model features super light Mono Mesh and thin TPU overlays with soft skin suede lining for barefoot comfort. Comes with 6mm pyramid spikes and wrench.