The ornamental design for a shoe upper, as shown and described.
Description:
FIG. 1 is a left side elevational view of a shoe upper showing my new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a front elevational view thereof; and,
FIG. 5 is a rear elevational view thereof.
The broken line showing of the top portion of the tongue and of the sole in FIGS. 1-5 is for illustrative purposes only and forms no part of the claimed design.