Run smoother and stay fresher with the Nike InfinityRN 4, now powered by Nike ReactX foam, delivering 13% more energy return than React foam. This plush, cushioned ride keeps you comfortable mile after mile while also reducing the carbon footprint of the midsole by at least 43%. The revamped Flyknit upper and wider toe box provide a stable, secure fit, while the extra cushioning softens impact, helping you push further. Whether you're training or hitting daily miles, the InfinityRN 4 offers unbeatable support and responsiveness, so you can run with confidence and comfort every step of the way.
