The ornamental design for a footwear, as shown and described.
FIG. 1 is a front view of one embodiment of a footwear showing my new design.
FIG. 2 is a rear view of the footwear of FIG. 1.
FIG. 3 is a right side view of the footwear of FIG. 1.
FIG. 4 is a left side view of the footwear of FIG. 1.
FIG. 5 is a top plan view of the footwear of FIG. 1; and,
FIG. 6 is a bottom plan view of the footwear of FIG. 1.
The broken lines depicted in parallel with other broken lines are used to illustrate stitching. The stand-alone broken lines are used to illustrate portions of the design that form no part of the claim.