The present invention discloses a case of protection for drivers of uncovered vehicles, comprising an external element in the shape of an ear and an internal cone joined to an ear pad, in each of the ends in which the ears of the user are located . The helmet of the invention can also comprise a filter and a piece of fabric to reduce turbulence and together with the external structure and the internal structure, recreate the acoustics of the human ear. This protective helmet increases the spatial perception of location and distance of the environment, reducing the risk of vehicular accidents.