On Running Men’s Cloudultra 3 Men's US Size:9.5 What’s the difference

What’s the difference

Weight: 141 g

The Emergency Bivvy reflects 90% of your body heat back to you to prevent heat loss and trap warm air

while the quarter zip allows you to easily manage airflow as conditions change

On Running Men’s Cloudultra 3 Men's US Size:9.5 What’s the differenceBuilt for ultra distance trail running where comfort and control need to last all day. The On Cloudultra 3 is designed for runners tackling technical terrain and long hours on the trails. Combining plush cushioning with stable, efficient performance, it delivers comfort and confidence when the kilometres start to add up. CloudTec cushioning works with dual density Helion HF hyper foam to provide soft impact absorption and responsive energy return over