On Cloud Echo Running Shoes | W 11 / M 9.5 | White, Black, Green

These are On’s fastest-ever marathon shoes — made for breaking PRs. The Cloudboom Echo combines a carbon Speedboard® and extreme rocker shape for powerful propulsion, with enhanced forefoot cushioning for comfort mile after mile. ✔️ Ultralight & breathable recycled mesh upper ✔️ Carbon-fiber infused Speedboard® for explosive energy return ✔️ Superior grip with rubber outsole (great even in wet conditions) ✔️ Designed with elite runners, made for serious speed Excellent condition and ready to race. Perfect for runners who want max performance with minimal weight. 📏 Size: Women’s 11 / Men’s 9.5