The ornamental design for a shoe, as shown and described.
FIG. 1 is a side view of a shoe showing our new design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is an opposite side view thereof; and,
FIG. 5 is a top view thereof.
The broken lines immediately adjacent to the photographic area define the bounds of the claimed design and form no part thereof. The broken lines depicting the remainder of the shoe show features that form no part of the claimed design.