The ornamental design for a shoe, as shown and described.
FIG. 1 is a rear perspective view of a shoe showing my new design;
FIG. 2 is a side view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is an opposite side view thereof; and,
FIG. 5 is an alternate rear perspective view thereof.
The even-length broken lines within the shaded area on the pull-tab element represent disclaimed stitching and form no part of the claimed design. The uneven-length broken lines showing the remainder of the shoe are for environmental purposes only and form no part of the claimed design.