FIG. 1 is a front perspective view of a portion of a shoe sole showing my new design;

FIG. 2 is a rear perspective view thereof; and,

FIG. 3 is a top view thereof.

The uneven broken line showing the upper and the remainder of the shoe sole is for illustrative purposes only and forms no part of the claimed design. The uneven broken lines showing disclaimed regions of the shoe sole are for illustrative purposes only and form no part of the claimed design. The uneven broken line immediately adjacent to the shaded area represents a portion of an unclaimed boundary of the design.