The ornamental design for a garment, as shown and described.
FIG. 1 is a front perspective view of a garment showing my design;
FIG. 2 is a front view thereof;
FIG. 3 is a first side view thereof;
FIG. 4 is a second side view thereof; and,
FIG. 5 is a rear view thereof.
The long-and-short broken lines along with the left and right outer solid line perimeter edges of the garment define the bounds of the claim. The long-and-short broken lines are not claimed. All areas and features of the garment drawn in even-length broken line adjacent to the shaded portions of the garment form no part of the claimed design.