FIG. 1 is a perspective view of a footwear sole embodying my new design;

FIG. 2 is a bottom view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a rear view thereof.

FIGS. 1-6 show portions of an upper and portions of the sole, in broken lines. The upper and portions of the sole in broken lines are shown for environmental purposes only and do not form any part of the claimed design.

The broken lines immediately adjacent to the solid lines, as well as the broken octagonal shape in FIGS. 1 and 2, represent the external and internal boundaries of the design. The broken lines form no part of the claim.