If you're looking to leave dirt trails behind and venture into more rugged and rocky alpine terrain then these are the shoes for you. Built for scrambles, summits, and scree-fields, they'll deliver reliable performance for your most adventurous runs. A Vibram MegaGrip outsole with a grippy climbing zone helps you navigate steep, unfavorable terrain, while the Gore-Tex Invisible Fit membrane delivers dependable waterproofing in case that fickle alpine weather turns on you.