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 rear perspective view thereof; and,
FIG. 5 is an opposite side 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 form no part of the claimed design.