The On Cloudrunner 2 Waterproof Running Shoes features a new waterproof upper, Helion superfoam and an outsole that won't collect stones. More comfort. More support. More sustainability. That's what you can expect from the Cloudrunner 2 Waterproof. Their durable heel clip and added reinforcements help lock in stability and support, while their Helion superfoam midsole provides softer cushioning and higher energy return. With its high-performance waterproof membrane, it can weather rainy runs. The On Cloudrunner 2 Waterproof Running Shoes will inspire you to run even further.