The ornamental design for footwear, as shown and described.
FIG. 1 is a front perspective view of a shoe showing my footwear design;
FIG. 2 is a right side view of the footwear shown in FIG. 1;
FIG. 3 is a left side view of the footwear shown in FIG. 1;
FIG. 4 is a front view of the footwear shown in FIG. 1;
FIG. 5 is a rear view of the footwear shown in FIG. 1; and,
FIG. 6 is a top view of the footwear shown in FIG. 1.
The shadows and reflections displayed in the photographs form no part of the claimed design.
The broken line showing of the segments of the upper area of the shoe in relevant drawings shows unclaimed subject matter for the design in those drawings.