Portion of a shoe upper

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

FIG. 2 is a side elevational view thereof;

FIG. 3 a front elevational view thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a top plan view thereof.

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