The ornamental design for a garment having a zipperassembly, as shown and described.
FIG. 1 is a front view of a garment having a zipper assembly showing a first embodiment of the present design in a laid-flat configuration;
FIG. 2 is a back view of the garment of FIG. 1; and,
FIG. 3 is a magnified view of the area indicated in FIG. 1.
The broken lines with alternating dashes and dots, immediately adjacent to the shaded area, represent unclaimed boundaries of the design. The unshaded regions, demarcated by broken lines, represent unclaimed portions of the garment and form no part of the claimed design. The broken lines, which include even-length segments, that show the remainder of the garment, are for environmental purposes only and form no part of the claimed design. The contrast in shading represents a contrast in appearance only and does not represent any particular color, material, texture, or finish.