At heart the alpineduro is a rugged mountain shoe with a grippy vibramreg rubber outsole insulated construction and a clip in pedal ready nylon shank that doesnrsquot sacrifice walking comfort or grip on the outside itrsquos an urban adventurer with superb fit and style plus a waterproof microfiber upper engineered to repel winterrsquos wet and icy chill when riding is your style all year round this is your go to shoe upper breathable microfiber and waterproof liner primaloft in