The Nike Infinity Run 4 offers outstanding shock absorption and 13% more energy return than traditional foam types, ensuring an efficient and comfortable run for men. This updated classic features the latest Flyknit technology, providing unparalleled fit and breathability. The durable grip and supportive, soft foam collar add to the shoe's appeal. The plush and adjustable Flyknit tongue offers added comfort. The Nike Infinity Run 4 is not only kind to your feet but also to the planet, as the ReactX foam significantly reduces CO2 emissions. Whether you're seeking stability, comfort, or responsiveness, this shoe supports you every step of the way.