Just slip it on and go. The Nike Epic Phantom React Flyknit gives you a flexible woven upper that moves with your foot, while its laceless design gets you moving quicker and easier. A snug sock-like fit adapts to your unique foot and impact points, and the Flyknit construction adds breathability. Full-length Flyknit gives you lightweight breathability. Laceless design allows for easy on/off. Nike React is designed to deliver a smooth ride. TPU heel piece helps stabilize your foot for a smooth heel-to-toe transition. Runner-specific geometric pattern extends across the outsole. Open-knit forefoot adds flexibility. losed knit along the toe area and midfoot give you more stability. Durable rubber pods on the toe and heel enhance your traction.