The ornamental design for a shoe, as shown and described.
FIG. 1 is a top and side perspective view of a shoe showing my new design;
FIG. 2 is a left side elevation view thereof;
FIG. 3 is a right side elevation view thereof;
FIG. 4 top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a front elevation view thereof; and,
FIG. 7 is a rear elevation view thereof.
The broken lines shown in FIGS. 1-7 illustrate portions of the shoe that form no part of the claimed design. The broken lines showing stitching also form no part of the claimed design.