Front bumper

FIG. 1 is a front elevational view of a front bumper showing our new design;

FIG. 2 is a top, left perspective view thereof;

FIG. 3 is a top, right perspective view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is an another front elevational view thereof shown in use on a vehicle;

FIG. 7 is a top, left perspective view of FIG. 6 ;

FIG. 8 is a bottom, front and right side perspective view thereof;

FIG. 9 is a bottom, front left side perspective view thereof;

FIG. 10 is a top plan view thereof;

FIG. 11 is a bottom plan view thereof; and,

FIG. 12 is a rear elevational view thereof.

The overexposed or faded features of the motor vehicle exterior is provided for the purposes of illustrating portions of the article that form no part of the claimed design.