The ornamental design for footwear, as shown and described.
FIG. 1 is a front perspective view of footwear showing my new design
FIG. 2 is a left side view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a rear view thereof; and,
FIG. 6 is a top view thereof.
The broken line showing of the sole, heel, heel cap, zipper, zipper track, portion of the front, and portion of the upper is for illustrative purposes only and forms no part of the claimed design.