I claim the ornamental design for footwear, as shown and described.
FIG. 1 is a front perspective view of footwear, showing my design;
FIG. 2 is left side view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a front view thereof; and,
FIG. 5 is a back view thereof.
The even dashed line stitching on the upper is part of the claimed design. The fur on the upper is shown in dashed lines and forms no part of the claimed design. And, the dash-dot-dash broken lines used for the lower portion of the upper, the outsole/midsole, and portions of the lacing are included for illustrating environmental structure and form no part of the claimed design.