The ornamental design for a shoe, as shown and described.
FIG. 1 is a first perspective view of a shoe showing my 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 to the photographic area define the boundary of the claim and form no part thereof. Color forms no part of the claimed design.