On Running Women's Cloudflyer Waterproof Shoes - Black / Lunar - Size 8 - NWT Cloudflyer Waterproof The light and watertight shoe that supports any runner and any running goal. Technology Any Runner, Any Goal The next-gen Cloudflyer Waterproof combines lightweight cushioning with a 100% wind and waterproof membrane. Boasting some of our largest Cloud elements, Helion™ superfoam, a bespoke Speedboard® and a 3D-molded heel, a super-plush tongue and wider outsole, it's all about comfort and stability. Materials Extra Support, No Excuses The new membrane is 100% wind and waterproof and highly breathable. A midfoot stability tube means support and a foot-hugging feel. Reflective details in the heel, forefoot and laces light up at night. Helion™ and CloudTec® combine for lightweight agility and heavy impact protection. Design Rain Supreme Built for the graft nobody sees, but ready to step into the spotlight. The Cloudflyer is for the resilient. The overcomers. Those who stare adversity in the face and grin back. The Cloudflyer Waterproof is all this, and it locks the elements out so you can put the work in.