On Running Cloud X 4 AD Black | Asphalt delivers responsive cushioning engineered for distance runners seeking comfort without compromise. The CloudTec® sole provides adaptive support across varied terrain, while the lightweight construction reduces fatigue during extended runs. Designed for neutral pronators, this shoe balances energy return with stability, making it ideal for training and racing. The breathable mesh upper keeps feet cool, and the durable outsole handles both road and light trail conditions. A trusted choice for runners prioritizing performance and reliability.