The ornamental design for a hat, as shown and described.
FIG. 1 is a front view of a design for a hat according to the present invention, including two side crown panels.
FIG. 2 is a left side view of the hat, including a first one of the side crown panels, and a first rear side crown panel represented by a repeating pattern of dots.
FIG. 3 is a right side view of the hat, including a second one of the side crown panels and a second rear side crown panel.
FIG. 4 is a back view of the hat, including the two side crown panels and the two rear side crown panels.
FIG. 5 is a top view of the hat, including the two side crown panels and the two rear side crown panels; and,
FIG. 6 is an interior view of the hat.
The solid lines in FIGS. 1-6 illustrate a hat according to the present invention. The broken lines represent environmental structure only and form no part of the claimed design. The dash-and-dot style broken lines on the brim of the hat illustrate brim stitching that forms no part of the claimed design. Patterned shading shown on the hat crown is included in FIGS. 1-5 to show contrasting materials of the hat, where repeating patterns of offset rows of rounded shapes shown in FIGS. 1-5 and dot stippling shown in FIGS. 2-5 each indicate contrast in material, namely material appearance, relative to each other, and no claim is made to any specific pattern of the patterned shading shown in FIGS. 1-5. No claim is made to any of the features of the interior of the hat, as shown in FIG. 6.