Men's Cloudsurfer TrailWeight: 275g CloudTec Phase midsole for a smooth stride Shock absorbing Helion superfoam with soft padded heel Missiongrip rubber outsole means traction and stability Built with a flexible, soft mesh upper Precision engineered using Finite Element Analysis (FEA) Performance on wet and dry surfaces Outsole doesnt let stones get stuck Less TPU plastic used, for reduced environmental impact Men's sizing.