Sole

FIG. 1 is a top, front, right side perspective view of a sole, showing my new design;

FIG. 2 is a bottom, rear, right side perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof, and,

FIG. 9 is an enlarged view of portion “ 9 ” in FIG. 2 .

The evenly dashed broken lines illustrate the sandal upper environment of the sole and form no part of the claimed design. The dot-dash-dash-dot broken lines define the boundaries of the enlarged view and form no part of the claimed design.