Just when you thought CloudTec couldn't get any bigger. Extreme cushioning has just been maximized for an unreal bounce, featuring a reworked dual-density Helion superfoam. A nylon-blend Speedboard encourages momentum and powerful take-offs. Monster CloudTec The Cloudmonster 2 features our biggest CloudTec ever. Yes, you read that right. For massive cushioning, mega bounce and maximum energy. It's a monster ride on the road with an unmatched forward-rolling motion. Maximum Energy Return An updated nylon-blend Speedboard is sandwiched between a dual-density Helion superfoam midsole, which makes for softer landings and better impact absorption. Increased energy return, forward momentum, and powerful take-offs make for an irresistible road run. MAX Sustainability Materials As part of On's ongoing commitment to use more sustainable materials, On ramped up the recycled content with mesh on the upper made from 100% recycled polyester. Through the integration of sustainable materials and processes, On achieved an overall recycled content increase to 24%.