FIG. 1 is a perspective view from the front and left side of a front bumper according to our design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a left side elevational view thereof; and,
FIG. 5 is a top plan view thereof.
Throughout the Figures, broken lines showing structure are for illustrative purposes only and form no part of the claimed design.