Brand New Nike InfinityRN 4 Women's Road Running ShoesSize 9.5Color: White Red Stardust'Maximum cushioning provides elevated comfort for everyday runs. Experience a soft, rocker-shaped platform made with new ReactX foam underfoot, and an ultra-comfortable collar and tongue for a snug feel. Plus, a water-resistant membrane was added to this version to help keep you dry.Key featuresUpdated Flyknit technologyWater-resistant membraneNew ReactX foam in the midsole for extra cushioningA Waffle outsole for durable traction on the roadsAn ultra-comfortable collar and tongue for a soft, snug fitNew ReactX cushioning for even more comfort, and a revamped upper and wider toe box.Waffle outsole provides durable traction Flyknit tongue is adjustable and plush.Foam collar is soft and supportive to the touch.Increased rubber at the outsole gives traction and durability.Responsiveness: moderateThe more responsive the shoe, the more energy return you can get back with each step. Whether you want to run a little bit faster or with a little less effort, responsive shoes help give you slightly more spring in your step to get more out of your run. ReactX foam gives you 13% energy return compared with React foam, helping you stay fresh and bouncy during your run.