The Nike InfinityRN 4 sneakers are your go-to for both performance and style. With a sleek gray design, these athletic shoes are perfect for running or casual outings. The knit fabric upper ensures breathability, while the React Foam cushioning provides comfort with every step. Whether you're hitting the track or heading out for a casual day with friends, these sneakers have you covered. Featuring a secure lace-up closure, they offer a snug fit for any activity. Pre-owned but in great condition, ready to support your active lifestyle.Keywords: Nike, InfinityRN 4, men's sneakers, athletic shoes, running, gray sneakers, breathable, React Foam, lace-up, casual wear, pre-owned, knit fabricBrand: NikeUs shoe size: 8.5Style: SneakerColor: GrayDepartment: MenType: AthleticStyle code: FJ1221-006Uk shoe size: 6Model: InfinityRN 4Country/region of manufacture: VietnamEu shoe size: 40Upper material: Knit FabricFeatures: React Foam, BreathablePerformance/activity: Running