Our lightest sprint spike has a revamped plate.<br /> Finish through the tape first in the Nike Zoom Ja Fly 4 "White/Obsidian/Bright Crimson" Unisex Track Spike, a sprint spike made to help you set personal records in everything from the 60 meters to 400 meters. Our lightest Nike Sprint spike has a revamped plate for enhanced stiffness and an updated upper for better breathability, so you can stay focused on doing your best. <ul> <li>Lighter, Faster</li> <li>An updated woven upper gives you security and containment at a significantly lighter weight than the Ja Fly 3, but with more breathability.</li> <li>Explode Out of the Blocks</li> <li>A completely new plate using computationally designed hexagons delivers stiffness in key areas to help you fly off the starting line and maintain speed throughout the race.</li> <li>Lace Up</li> <li>The Nike Racing shoelace is lightweight with notches and just a little stretch that allows for a secure fit that stays tied in all conditions.</li> </ul>