The rumble vr is a versatile shoe that combines performance riding features like clipless pedal compatibility with the walkability of a grippy vibram outsole and the comfort of a light hiking shoe with an upper made from a supple breathable microfibre 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 trailspecificationsupper high quality breathable synthetic an