Over a decade later, the Nike Superfly Elite Unisex Racing Spike returns with updates that include ultra-breathable Flymesh fabric to keep you cool and an innovative spike plate for optimal grip. Ideal for 100m-400m sprinters. Locked-Down Fit Dynamic Fit technology wraps the foot for secure lock-down while an engineered weave upper increases tension during acceleration. Optimal Grip An innovative spike plate features eight removable, stainless-steel pins for optimal grip on the track. Ventilated Zones A seamless Flyweave upper provides zoned ventilation and breathability so you stay cool when your pace heats up.