The ornamental design for a hat, as shown and described.
FIG. 1 is a rear perspective view of a first hat incorporating our new design;
FIG. 2 is a rear elevation view thereof
FIG. 3 is a front elevation view thereof;
FIG. 4 is a right side elevation view thereof, wherein the left side elevation view is a mirror image thereto;
FIG. 5 is a top plan view thereof; and
FIG. 6 is a bottom plan view thereof.
FIG. 7 is a rear perspective view of a second hat incorporating our new design;
FIG. 8 is a rear elevation view thereof
FIG. 9 is a front elevation view thereof;
FIG. 10 is a right side elevation view thereof, wherein the left side elevation view is a mirror image thereto;
FIG. 11 is a top plan view thereof; and,
FIG. 12 is a bottom plan view thereof.
The features of the article shown in broken lines in the drawing figures illustrate environmental subject matter and form no part of the claimed design.