Abstract: A method for producing a face shield includes cutting a body of the face shield from a flat sheet of transparent plastic and cutting a curved attachment slot into the body. It includes placing the body onto a horizontally arranged elongated convex mold with a central axis of the body being aligned with a ridge line of the mold and placing the body, on the mold, into an oven. There, the body deforms and assumes an arcuate shape of the mold. The body is allowed to cool down and later removed from the mold. The face shield has a body with an arcuate vertical cross-sectional shape which is smooth without edges. The curved attachment slot serves to attach the face shield to a visor of a baseball cap where it can hold on by a plurality of narrowings formed in the attachment slot.