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 support all movement and are set on tonal white uppers that pair seamlessly with any activewear, finished with subtle logos for a clean, signature look. CloudTec Phase® soles and Speedboard® technology work together to support every stride. Made in Vietnam from 100% polyester.