NWT Nike Women's React Infinity Run Flyknit 4. Color: Black and White. Size: 7.5M. Performance road running sneakers that emphasize support for your stride. Ultra-lightweight and breathable Nike Flyknit upper for a breezy feel. Internal Flyknit fit band at the midfoot offers elastic, secure support. Water-repellent liner in the toe helps keep you dry when the weather turns. Curved outsole helps your foot rock smoothly from heel to toe during footstrikes. Soft and supporting ReactX foam underfoot gives you an incredibly smooth feeling. Waffle outsole with increased rubber provides durable traction with heritage Nike style. Excellent condition-Never worn. Original box not included.