The ornamental seam design for garments, as shown and described.
FIG. 1 is a front perspective view of a garment;
FIG. 2 is a rear perspective view of a garment;
FIG. 3 is a front view of the garment;
FIG. 4 is a rear view of the garment;
FIG. 5 is a right side view of the garment;
FIG. 6 is a left side view of the garment; and,
FIG. 7 is an underside view of the garment in an alternate position of use.
The solid line seams comprise the entirety of the claimed design. The larger broken lines form no part of the claimed design and the smaller broken lines, which represent stitching on the seam, form no part of the claimed design.