The primary materials that compose this product contain a minimum of 20 percent recycled content. Best for Running, Road running. Experience the euphoria of every stride wearing On™ Cloudrunner 2, the ultimate supportive and feel-good running shoe. Crafted with a recycled Swiss-engineered mesh upper, it boasts a new Helion™ superfoam midsole for maximum energy return. The upgraded outsole prevents stone entrapment, while CloudTec® cushioning ensures impact absorption. Enjoy total comfort and easy step-in with a plush tongue and durable heel clip, along with added support from upper reinforcements. The tongue loop keeps laces secure for distraction-free runs. Recycled polyester lining. Ethylene vinyl acetate insole. Feels secure: A durable heel clip and added reinforcements help lock in stability and support. Softer step-in: An upgraded, plush tongue creates an easier, more comfortable step-in. Hello, Helion™: A Helion™ superfoam midsole provides softer cushioning and higher energy return.