Nike Streakfly 2 (Unisex)Nike Streakfly 2 Road Racing Shoes Carbon fiber and ultralight foam power your race day speed. The Streakfly 2 can help you out kick the opposition on race day. This speedster now comes with a carbon fiber Flyplate, complementing the ultraresponsive ZoomX foam midsole and minimal upper you loved on the original. From the 10K to the mile, it can help you take your distances to the next level. Full Speed We integrated a full length carbon fiber Flyplate