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 side view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is an opposite side view thereof; and,
FIG. 5 is an opposite side front perspective view thereof.
The broken lines immediately adjacent to the ends of the tightening straps define the bounds of the claimed design and form no part thereof. The unshaded broken line regions within the strap form no part of the claimed design. The broken lines depicting the remainder of the shoe show features that form no part of the claimed design.