A successful run begins with a strong foundation. Engineered mesh upper for a breathable, flexible fit. FlexFilm overlays for lightweight support and lockdown. Padded tongue and collar for plush comfort. EVERUN Topsole construction cushions every step. Continuous Cushioning for responsive every return and ground feel. Added midfoot structure helps control pronation and encourage a more natural running stride. TRI-FLEX outsole pattern evenly disperses the shock of impact and provides durable traction on any surface. iBR+ adds cushioning where you need it most. XT-900 premium carbon rubber in high-wear areas for durable grip. Wt. 10.0 oz.