The On Running Men’s Cloudsurfer (Classic) Running Shoes are designed to give you a light and comfortable feel while you run. The upper part of the shoe is made of mesh-weave technology that is both supportive and breathable. The inner sock is comfortable and helps to keep your feet fresh. The Speedboard provides responsive and flexible cushioning, while the 18 EVA Zero-Gravity Clouds work independently to provide targeted and flexible cushioning.