The ornamental design for a shoe, as shown and described.
FIG. 1 is a side view of a shoe showing my new design;
FIG. 2 is a front perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is an opposite side front perspective view thereof; and,
FIG. 5 is an opposite side view thereof.
The broken line immediately adjacent to the bottom of the shaded area defines the bounds of the claimed design and forms no part thereof. The racetrack shaped broken lines within the shaded area represent an eyelet that forms no part of the claimed design. The broken lines depicting the remainder of the shoe form no part of the claimed design.