On Running Cloud X 4 combines CloudTec cushioning with a flexible Speedboard for a versatile training and running shoe. It’s designed for mixed workouts and everyday running with breathable construction and stable support. Key attributes: Shadow | Apollo | Polyester | CloudTec cushioning | Helion superfoam midsole | Speedboard for forefoot flexibility | Breathable mesh upper | Lace-up fastening | Stable midfoot cage | Rubber outsole for traction | Perforated upper detail | Low-top silhouette | Midfoot cage for added support | Designer ID: 3ME30043558 | Dimensions & fit: Regular width | Composition & care: Upper: 100% Polyester | Outsole: 100% Rubber | Lining: Fabric