Portion of a shoe upper

FIG. 1 is a front perspective view of a portion of a shoe upper showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a front perspective view of a portion of a shoe upper showing a second embodiment of my new design;

FIG. 7 is a rear perspective view thereof;

FIG. 8 is a side view thereof;

FIG. 9 is a front view thereof; and,

FIG. 10 is a top view thereof.

The uneven broken line showing the remainder of shoe is for illustrative purposes only and forms no part of the claimed design.