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

FIG. 2 is a side elevational view of the portion of a shoe upper shown in FIG. 1;

FIG. 3 is a front elevational view of the portion of a shoe upper shown in FIG. 1; and,

FIG. 4 is a top plan view of the portion of a shoe upper shown in FIG. 1.

The broken line showing of a portion of a shoe upper is for illustrative purposes and forms no part of the claimed design.