The ornamental design for a shoe, as shown and described.
FIG. 1 is a front perspective view of a shoe showing my 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 line immediately adjacent to the bottom of the shaded area defines a lower bound of the claimed design and forms no part thereof. The broken lines depicting the remainder of the shoe show features that form no part of the claimed design.