Footwear sole

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 of the footwear in broken lines, which portions are not included in the claim, or depict environment that is not included in the claim. The broken lines around the perimeter, and immediately adjacent the solid-line portion of the design, form the boundary of the claimed design, with the broken lines forming no part of the claimed design.