The ornamental design for a heel for footwear, as shown and described.
FIG. 1 is a front perspective view of a heel for footwear showing my new design;
FIG. 2 is a left side view of the heel for footwear shown in FIG. 1;
FIG. 3 is a right side view of the heel for footwear shown in FIG. 1;
FIG. 4 is a front view of the heel for footwear shown in FIG. 1;
FIG. 5 is a rear view of the heel for footwear as shown in FIG. 1; and,
FIG. 6 is a top view of the heel for footwear as shown in FIG. 1.
The broken line showing of the heel cap, footbed, portions of the upper, straps, portions of the platform heel, buckle, and buckle holes in the drawings shows unclaimed subject matter.