The Cloudmonster 2 Running Shoes from On Running Sport are designed for dedicated runners, offering groundbreaking features for peak performance. With a sustainable recycled polyester upper and dual-density foam construction, these shoes provide superior cushioning and support. The re-engineered Speedboard®, made from a Nylon blend, works with the new Helion super foam and CloudTec midsole to optimize energy return and improve running efficiency. Featuring a front lace-up fastening and branding throughout, they blend style and functionality for everyday training or challenging runs. Conquer the track, trail, or any terrain with the Cloudmonster 2, engineered to help you unlock your full running potential. Composition: Upper: recycled polyester. Sole: nylon, synthetic. Care: Refer to the product label.