Road running, energy return, CloudTec®. Features: Max-cushioned running shoes for noticeable spring and rebound; Soft sockliner and upper for next-level comfort; Snappy Speedboard® for maximum energy return; Unique rocker shape for effortless forward momentum; Helion™ superfoam absorbs impact on landing; Light, durable and temperature resistant. Materials: Recycled Polyester. Looking for a max-cushioned running shoe? You found it. Combining a responsive CloudTec® midsole with an ultra-powerful Speedboard®, it's all about cushioned landings and powerful, energetic takeoffs. Every step or stride—you'll feel it.. The shoe's bold forefoot rocker provides plenty of toe spring, while the easy step-in makes running pretty much irresistible. Made with recycled polyester, the breathable upper and soft sockliner are light, durable, and temperature resistant.