Choose the Nike React Infinity Run Flyknit 4 and experience the perfect combination of comfort and performance while running with this neutral all-round running shoe. Whether you're heading out for a 5km or a slightly longer endurance run; the React Infinity Run Flyknit can do it all. The shoe is suitable for both novice and experienced runners. Experience the perfect balance between cushioning and responsiveness with this all-round running shoe! Midsole The midsole is made of React foam, a combination of thermoplastic elastomer and ethylene vinyl acetate (EVA) that Nike combined to create the Nike React foam. This unique combination makes the Nike React foam provide great cushioning and responsiveness. Nike uses this foam to minimize running injuries, making it one of Nike's most complete foams. The midsole is made from a combination of firm foam and soft foam made from durable material for responsive cushioning for long-lasting comfort. Upper The upper of the shoe is made of Flyknit, a material that uses a weaving technique to provide support. Thanks to the FlyEase technology, the shoe is extremely easy to put on and take off. You can open the shoe with a zipper on the heel and a strap over the top ensures a snug fit. Light textiles provide ventilation to keep you cool. The heel overlay provides support and stability during multi-directional twists. Flywire technology replaces laces with high-tensile wires that act like suspension bridge cables and provide precise support. Outsole With a rubber outsole, the shoe provides good grip and traction while running. Get the most out of your run with the Nike React Infinity Run Flyknit 4!