FIG. 1 is a perspective view of an element of a shoe sole showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof; and,

FIG. 4 is a rear elevational view thereof.

The broken line showing of a shoe upper and the remaining portion of the sole in FIGS. 1-4 is for illustrative purposes only and forms no part of the claimed design.