Sole

FIG. 1 is a bottom view of a sole showing the claimed design;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a perspective view thereof; and,

FIG. 7 is a top view thereof.

The broken lines in the figures and the lightened area(s) within the broken lines show portions of the sole that form no part of the claimed design.