Product Details + Versatile climbing shoe ideal for climbers looking for all-around performance Slightly asymmetric last and flat profile for comfort Full grain leather uppers stretch out over time for a custom fit Split neoprene tongue for easy on/off 3D molded heel for a great fit made with sticky rubber and cushy EVA Science Friction 3.0 rubber sole for the best friction Technical Details Stiffness Medium Upper Material Leather Closure Hook-and-loop Rubber Science Friction 3.0, [rand] Science Friction R2 Midsole 1.8mm polyester midsole Profile Comfort Asymmetrical Curvature Moderate