Ostrya x Roa KatharinaRoa hybrid of a classic Italian Alp approach shoe with a modern athletic shoe. Calf leather upper provides durability, with a custom treaded Vibram sole for traction and support on the roughest surfaces. Rubberized toe cap offers for enhanced protection Vibram Megagrip toothed tread pattern sole for optimal traction and use on the roughest surfaces Calf leather upper combined with lightweight anti abrasion technical nylon Lace up closure Reflective