Nike React Infinity Run Flyknit 2 'Black Metallic Gold' CT2357-009. Experience unparalleled comfort and support with the Nike React Infinity Run Flyknit 2. Designed for runners seeking a smooth and responsive ride, these shoes feature a Flyknit upper for a breathable, sock-like fit. The React foam cushioning provides exceptional energy return and durability, while the wider base offers enhanced stability. Perfect for everyday training and long-distance runs.