Portion of a shoe upper

FIG. 1 is a perspective view of the portion of a shoe upper showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a left side elevational view of a first alternative embodiment of the portion of a shoe upper; and,

FIG. 8 is a right side elevational view thereof.

Broken lines in the figures are for illustrative purposes only and form no part of the claimed design.