The 2nd iteration of ultimatecomfort combined with unparalleledperformance. Flywire cables for lockdown and a dynamic fit. Leather and mesh for support and breathability. FlightSpeed technology for responsiveness. Soft leather surrounds the heel and quarter panels for support and a premium feel. TPU skin overlay on the toe for durability in this high-wear area. Zoom Air unit in the forefoot for low-profile, responsive cushioning. Injected Phylon™ carrier midsole houses FlightPlate technology and a Zoom Air unit. Solid rubber with a diamond tread pattern for any surface. Wt. 14.3 oz.