On Running Cloudmonster sneakers in a sleek all-black colorway offer maximalist cushioning for an energized running experience. These performance shoes feature the signature CloudTec technology with large pods for soft landings and powerful takeoffs. The breathable mesh upper provides a secure fit, while the Helion superfoam midsole ensures long-lasting comfort and responsiveness. Designed with Swiss engineering, these trainers are perfect for road running or everyday athletic wear. Only worn once and in like-new condition.