The Cloudrunner 3 waterproof features a wider base and an asymmetrical heel clip for enhanced support. This design incorporates a Cloud Tec® cushioning system and Helion™ foam to provide stability and impact absorption. A high-performance waterproof membrane protects against the elements, while a plush heel and tongue ensure a secure fit. Cloudtec® cushioning system Helion™ foam asymmetrical heel clip high-performance waterproof membrane plush heel and tongue reflective details enhanced rubber outsole stable support