The ornamental design for the hat, as shown and described.
FIG. 1 illustrates a top view of a hat showing my new design;
FIG. 2 illustrates a front view of the hat of FIG. 1;
FIG. 3 illustrates a rear view of the hat of FIG. 1;
FIG. 4 illustrates a rear perspective view of the hat of FIG. 1 with the tie straps in a loose and untied configuration;
FIG. 5 illustrates an enlarged detail view of a tie strap of the hat of FIG. 1;
FIG. 6 illustrates a right side view of the hat of FIG. 1; and,
FIG. 7 illustrates a left side view of the hat of FIG. 1.
Broken lines in the drawings depict portions of the hat that form no part of the claimed design.
The symbolic break line on the left edge in FIG. 5 depicts the boundary of an enlarged view of one of the straps shown untied in FIG. 4. The break line forms no part of the claimed design.