NIKE SUPERFLY R4 SPRINT SPIKES TRACK FIELD MEN 12 BLACK GREEN 526626-035 | eBay
Nike Run Club - The Nike Volt Sprint Spike collection. The Nike Zoom Superfly R4, at left, fuses Nike FlyWire with an ultralight spike plate. | Facebook
Used Nike Superfly R4 Track Spikes - Size: M 9.5 (W 10.5) | SidelineSwap