The ornamental design for an upperportion of a garment, as shown and described.
FIG. 1 is a front elevational view of an upper portion of a garment showing my new design in an open configuration;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a front elevational view thereof in a closed configuration;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a left side elevational view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
The single broken lines shown in the drawings illustrate boundaries or environmental structure for informational purposes, which form no part of the claimed design.
The double broken lines in the drawings represent stitching lines, which form no part of the claimed design.
The stippling shown in the drawings forms part of the claimed design with the exception of when it's encompassed by unclaimed broken lines.