A new molded sock-liner and external heel counter keep your foot as secure as it gets no matter the distance. Plus a re-engineered mesh improves breathability and durability for serious comfort. Strap in. Take off. It's time to run further and faster than ever.

On upped their sustainability game: this shoe contains 90-95% recycled polyester, with a total recycled content of 35-40%. Every shoe, every time we'll never stop pushing to go beyond what's possible when it comes to plant-friendly materials with premium quality.

No matter what your next running goal is, get ready to soar to new heights. The Cloudflyer 4 gives you supreme cushioning plus premium comfort including On's plushest ever tongue. With bigger, dual-density CloudTec, you'll feel supported as you run beyond pain, beyond doubt, and beyond your goals.