Hit up the gym in this On Men's Cloudrunner 2 Shoes in Eclipse / Black. This Cloudrunner 2 Shoes by On features a new mesh upper made from 100% recycled polyester; built for stability, the midsole now features helion superfoam for a higher energy return; outsole: rubber compound with enhanced traction pattern; midsole: upgraded to helion superfoam. This On Cloudrunner 2 Shoes is made of Recycled polyester & TPU.