The rumblevr is a versatile shoe that combines performance riding features like clipless pedal compatibility with the walkability of a grippy vibram174 outsole and the comfort of a light hiking shoe with an upper made from a supple synthetic and mesh and an injected inner shank to help transfer your power to the pedals its a true cycling shoe that doesnt compromise the flexibility you need when youre walking on the trail upper high quality breathable synthetic and mesh laced closer