FIG. 1 is a rear perspective view of a hard hat with a solar-powered cooling means showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view, the right side elevational view being a mirror image thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a top plan view thereof.