Bottom Sole

FIG. 1 is a perspective view of a bottom sole showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 a right side view thereof.

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines depict portions of a middle sole attaching to the bottom sole that forms no part of the claimed design.