What is claimed is an ornamental design for a bumper for a shoe, as shown and described.
FIG. 1 is a top, front left perspective view of a bumper for a shoe showing our new design;
FIG. 2 is a top, front right perspective view of the design shown in FIG. 1; and,
FIG. 3 is a top, front left perspective view of the bumper for a shoe, showing the bumper for a shoe in an example use condition.
The broken lines showing a shoe in FIG. 3 are for the purposes of illustrating environment and form no part of the claimed design, and the broken lines on the bumper in FIG. 1 and the broken lines on the bumper in FIG. 2 depict portions of the bumper for a shoe that form no part of the claimed design.