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 an opposite side front perspective view thereof; and,
FIG. 4 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 showing the six circle shaped elements represent eyelets that form no part of the claimed design. The broken lines showing the two slits form no part of the claimed design. The broken lines depicting the remainder of the shoe form no part of the claimed design.