The primary materials that compose this product contain a minimum of 20 percent recycled content.Dominate your run with unmatched performance and sustainable luxury wearing the On™ Cloudrunner 2 Waterproof. Crafted with a recycled Swiss-engineered waterproof mesh upper and plush recycled polyester lining, these shoes offer a supportive fit and eco-conscious style. Featuring the new Helion™ superfoam midsole for exceptional energy return, an upgraded outsole that prevents stone traps, and CloudTec® cushioning for impact absorption, every step feels like a dream. Enjoy total comfort with a plush tongue and durable heel clip, supported by 360° waterproof yet soft membrane technology. EVA insole.Lace-up closure.Imported.Please note that ONLY the On Cloud 50/50, Cloud 70/30, Cloud Terry, and Cloud running shoes feature an extra pair of conventional laces, along with the On Cloud easy-entry speedlaces.Product measurements were taken using size 5, width M. Please note that measurements may vary by size.Measurements: Weight: 4.71 oz View Zappos.com Glossary of TermsFind something wrong in this description? Help us fix it! Report An Error