The ornamental design for footwear sole, as shown and described.
Description:
FIG. 1 is a perspective view of the footwear sole embodying the new design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a front elevational view thereof; and,
FIG. 6 is a rear elevational view thereof.
FIGS. 1-6 show portions an upper in broken lines. The upper is shown for environmental purposes and does not form any part of the claimed design.
The broken line immediately adjacent to the solid line features throughout the views represent the boundary of the design. The broken lines form no part of the claim.
