The ornamental design for a shoe, as shown and described.
FIG. 1 is a first perspective view of a shoe showing our new design;
FIG. 2 is a second perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a top view thereof; and,
FIG. 8 is a bottom perspective view thereof.
The dot-dash-dot lines immediately adjacent the photographic area represent boundaries of the design that are not claimed. Color forms no part of the claimed design.