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 front view thereof;
FIG. 3 is a back view thereof;
FIG. 4 is an outer side view thereof;
FIG. 5 is an inner side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The CROCS® word mark and circular crocodile logo, the tread pattern of the sole and the textual material on the sole as well as the raised bump pattern of the footbed are shown in broken lines for illustrative purposes only and form no part of the claimed design.