The ornamental design for a shoe, as shown and described.
FIG. 1 is a first perspective view of a shoe showing our new design;
FIG. 2 is a second perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a top view thereof; and,
FIG. 8 is a bottom view thereof.
The broken lines immediately adjacent the photographic area define the boundary of the claim and form no part thereof. Color forms no part of the claimed design.