FIG. 1 is a perspective view of a footwear outsole showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a first side elevational view thereof;

FIG. 5 is an opposite side elevational view thereof;

FIG. 6 is a front elevational view thereof; and,

FIG. 7 is a rear elevational view thereof.

The broken lines immediately adjacent to the claimed subject matter throughout the views form the boundaries of the design. The broken-line circle in FIGS. 1, 2 and 6 define the interior boundaries of the design. The broken lines showing the boot upper represent the portions of the design that form no part of the claim. None of the broken lines or the areas within them forms any part of the claim.