Light, fast, and responsive, the Nike FS Lite Run 4 is perfect for speed work, longer distances, and everything in between. Breath Tech upper for a lightweight fit and feel. Contoured heel with heel counter holds foot securely in place. Co-molded midsole fuses together soft foam underfoot to cushion every step and firmer foam underneath for responsive support. Waffle pattern outsole with hexagon-shaped lugs for durable traction on any surface. Wt. 7.4 oz.