The ASICS SonicSprint™ Elite Track & Field spike is designed for the 60 to 400 meters, and like its name suggests, it’s designed to the exact specifications of Elite Sprinters. The upper is built on the ASICS Sprint last and using materials that lock the foot in place, while offering a weightless feel for elite level running. The full-length, new and improved Pebax plate with a revised spike pin configuration enhances the power transfer from the track for pure speed. Whether you are looking to improve your start, finish or just the speed in between – the SonicSprint™ Elite Track & Field spike helps you get there faster. Comes with 6mm pyramid spikes and wrench. Weight: 4.0.