Designed for versatility, the Cloud X 4 Ad trainers from ON are dynamic and durable. From daily commutes, to HIIT cardio, the newly engineered mesh upper delivers seamless performance with a lightweight and breathable feel. Featuring an updated heel fit and fork-shaped Speedboard® that increases flexibility, making for a comfortable wear. These trainers are light, cool and breathable with a mesh upper, offering comfort and support with CloudTec cushioning. Raised collar edges and a wide base provide top stability. Shop stylish sneakers for an active lifestyle from On Running in White. When you are not satisfied, you can return your items free of charge within 14 days.