The ornamental design for a shoe, as shown and described.
FIG. 1 is a first side view of a shoe showing my design;
FIG. 2 is a first side, rear perspective view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a second side, rear perspective view thereof; and,
FIG. 5 is a second side view thereof.
The long-and-short broken lines immediately adjacent to the shaded areas form an unclaimed boundary around at least a portion of the claimed subject matter, and form no part of the claim. The even-length broken lines are directed to environment, represent unclaimed subject matter, and form no part of the claim.