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

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a front perspective view of a second embodiment of a portion of a shoe upper;

FIG. 6 is a front view of the embodiment of FIG. 5;

FIG. 7 is a side view of the embodiment of FIG. 5; and,

FIG. 8 is a top view of the embodiment of FIG. 5.

The uneven broken lines immediately adjacent to the shaded area represent unclaimed boundaries of the design. The uneven broken line showing of the interior of each of the four triangular shaped regions and the remainder of the shoe is for illustrative purposes only and forms no part of the claimed design.