The ornamental design for a shoe upper, as shown and described.
FIG. 1 is a front view of a shoe upper showing our new design;
FIG. 2 is a second front perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a side view thereof;
FIG. 5 is a second side view thereof; and,
FIG. 6 is a top view thereof.
The broken lines immediately adjacent to the shaded area represent unclaimed boundaries of the design. The 10 unshaded circular eyelet regions, demarcated by broken lines, within the shaded area form no part of the claimed design. The broken lines showing the remainder of the shoe are for environmental purposes only and form no part of the claimed design. Applicant reserves the right to claim one or more of the eyelet regions near the forefoot.