Designed to make speed available to everyone, the On Womens Cloudflow 5 in Fog/Eclipse takes ingredients from their pinnacle race shoes for dedicated runners and casual runners alike to make the most of your speed work and fast training sessions. The On Womens Cloudflow 5 puts a large layer of their pinnacle foam, Helion HF just below your foot for lightweight cushioning with excellent energy return. Beneath that you get a glass fibre and nylon blend speedboard giving you a pop of extra energy within the build.The Cloudtec pod cushioning below is made from Helion foam and the whole shoe is shaped with a rocker that is tailored to enhance your forward feeling motion, for effortlessly fast miles.A large amount of rubber coverage in outsole provides durable traction.Wrapped around your foot, a woven, engineered mesh provides breathable containment that helps you put your best performances down. Weight 270g in a mens US 8.5Stack height 36 28mmHeel offset 8mmCloudtec cushioning with SpeedboardWoven engineered mesh upperDual density midsole including Helion HF on top and Helion below