I claim 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 bottom view thereof;
FIG. 3 is a rear perspective view thereof;
FIG. 4 is a left side view thereof; and,
FIG. 5 is a right side view thereof.
The dot-dot-dash broken lines adjacent to the shaded area represent unclaimed boundaries of the claimed design. The remainder of the broken lines are provided for environmental purposes only and form no part of the claimed design.