With the Nike React Infinity Run Flyknit 2, you can run as long as you want. The advanced upper with Flywire and Flyknit technology provides support and breathability where you need it. The increased thickness of the foam ensures a soft response and lasting comfort. It is still one of our most tested shoes that helps you feel your full potential with every foot strike. The advanced Flyknit upper provides breathability where you need it. Robust and durable, it guarantees a secure hold on every kilometre. Flywire technology provides more support and stability on the midfoot. Nike React technology is a lightweight, durable foam that provides a smooth, responsive ride. With a rocker-style design, the foam provides support for each runner's three step phases. It provides flexibility when the foot leaves the ground, provides a smooth running feeling when moving forward and dampens contact with the surface. The smaller amount of material between the insole and midsole allows the foot to fit closer to the foam. Thanks to this feature, the fit is more responsive. The foam has a higher rise for a soft feel.