On Running Cloudmonster 1 pairs Swiss engineering with a dramatic CloudTec sole to deliver high-cushion, energy-return performance. A breathable mesh upper and reinforced support make it suitable for both training and everyday wear. Key attributes: Black | Mesh | Breathable upper | High energy return | Responsive cushioning | Lightweight construction | Reliable traction | Padded collar and tongue | Cushioned insole | Reinforced heel counter | Supportive upper reinforcements | Reinforced lacing system | Bold CloudTec sole with geometric cutouts | Monochromatic black colourway | Prominent lateral logo | Textured lace pattern | Red Swiss flag tongue accent | Dimensions & fit: Engineered fit that follows natural foot contours