Make the most of your run when you've got Women's InfinityRN 4 Shoe by Nike cushioning your feet. The Flyknit upper with React tech gives you responsive cushioning that propels you to move further and faster.Lightweight Flyknit upper features targeted areas of support, stretch and breathability for superior comfortMore room in the toe box adds comfortNike ReactX foam technology provides lightweight, responsive cushioningReactX foam gives you +13% energy return compared to React foam offering bounce during the runInternal Flyknit band offers elastic, secure support High-rise foam stacks supports every strideWater-repellent liner in the toe provides protection against elementsIncreased support with added cushioning secures every stepFlyknit tongue is plush and adjustable for comfortFoam collar is soft and supportive to the touchCurved rocker outsole delivers flexibility during take-off, a smooth ride when moving forward and cushioning during landingsWaffle rubber in the outsole offers durability and tractionSnug fit; we recommend ordering a half-size up