The ornamental design for a shoe, as shown and described.
FIG. 1 is a front perspective view of a shoe showing our new design;
FIG. 2 is a side view thereof;
FIG. 3 is a rear perspective view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is an opposite rear perspective view thereof;
FIG. 6 is an opposite side view thereof; and,
FIG. 7 is an opposite front perspective view thereof.
The broken lines immediately adjacent to the shaded 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.