FIG. 1 is a perspective view of a combined tread surface and periphery of a shoe sole showing my new design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a rear edge elevational view thereof; and,
FIG. 6 is a front edge elevational view thereof.
The portions of the interior which are left unshaded are for illustrative purposes only and form no part of the claimed design.