Nike Infinity Run 4 Premium - Hyper Crimson/Metallic Silver 。Nike InfinityRN 4 \"Hyper Crimson/Light Silver/Photon Dust/Metallic Silver\" Men\'s Running Shoe New without box Men\'s 6.5 also fits women\'s size 8. This shoe ran small I had to go up half a size for this model. Maximum cushioning provides elevated comfort for everyday runs with Nike InfinityRN 4 \"Hyper Crimson/Light Silver/Photon Dust/Metallic Silver\" Men\'s Running Shoe. 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. Features Updated Flyknit upper and a water-resistant membrane help keep you dry New ReactX foam in the midsole for extra cushioning Waffle outsole for durable traction on the roads Ultra-comfortable collar and tongue for a soft, snug fit What’s New? New ReactX cushioning for even more comfort and a revamped upper and wider toe box.Product Details​ Heel-to-toe drop: 9mm