What makes a runner unstoppable? Engineered with Nike React technology, these lightweight and durable sneakers deliver a smooth, responsive ride from the start to the finish line. The higher foam is shaped like a rocker to provide support for the three phases of a runner's stride – flexibility when your foot rises off the ground, a smooth ride when your foot is moving forward, and cushioning at ground contact. One of the most tested sneakers of the brand, this version features an updated logo and fresh colors to inspire the lovers of speed to try new ways to achieve the unachievable. The fully adjustable Flyknit tongue can be easily pulled out, giving you styling options or toggled and tailored for different types of runs. It works with Flywire to create the just-right sensation of comfort and security you need to take control of your sprints. Master your run and defy the odds with the Nike React Infinity Run Flyknit 3 RF. Nike React Infinity Run Flyknit 3 RF features: Advanced Flyknit upper improves breathability. Flywire technology offers extra support and stability through the midfoot. Non-knit collar is made of super-soft foam textile that complements the Flyknit and provides a stunning sporty look. Cushioned collar enhances comfort. Wide shape ensures a more stable ride, helping release energy with every step. Loop at the heel enables easy on and off. Increased rubber at the outsole brings exceptional traction and durability.