Nike ReactX Infinity Run 4 'Black Anthracite' (2023)

The Nike ReactX Infinity Run 4 'Black Anthracite' (2023) redefines performance running with cutting-edge innovation and a sleek, monochromatic aesthetic. Designed for runners seeking superior cushioning and stability, this fourth iteration of the Infinity Run series incorporates Nike's revolutionary ReactX foam, delivering enhanced energy return while reducing environmental impact. Overview The 'Black Anthracite' colorway presents a stealthy, modern look with a breathable Flyknit upper that ensures a snug yet flexible fit. Reinforced with strategically placed Flywire cables, the shoe offers exceptional midfoot support, reducing unwanted movement during runs. The standout feature is the ReactX foam midsole, engineered to provide 13% more energy return compared to previous React iterations while cutting its carbon footprint by at least 43%. A wide, rocker-shaped sole enhances stability and promotes a smooth heel-to-toe transition, making it ideal for long-distance runs. Underfoot, the durable rubber outsole features a traction pattern optimized for road running, ensuring grip and longevity. Key Highlights • Next-Generation ReactX Cushioning – Provides 13% more energy return than standard React foam while significantly lowering its carbon footprint. • Breathable Flyknit Upper with Flywire Support – Delivers a secure, adaptive fit with targeted reinforcement for enhanced midfoot stability. • Rocker-Shaped Sole for Smooth Transitions – Ensures an efficient stride, reducing impact and fatigue over long distances.