Women's On Running Cloudflow 5 Tailwind That includes metrics such as

That includes metrics such as vertical oscillation

so you can determine whether it’s a good day to go hard — or take it easy

which help create a personalized and highly effective training program

Supportive leather upper for durability

This threshold indicates the highest intensity at which an athlete can sustain aerobic exercise without rapid fatigue

Women's On Running Cloudflow 5 Tailwind That includes metrics such asThe training shoe for fast intervals. With Helion HF hyper foam and a nylon blend Speedboard for high energy return. A layer of Helion HF for max energy return and rebound Propulsive glass fiber nylon blend Speedboard Engineered woven mesh upper that's breathable and ultralight Design inspired by On's pinnacle, race winning super shoes Extreme rocker shape for a fast, forward rolling ride Updated toebox design for fast training sessions Forefoot grip