Slipper

FIG. 1 is a rear, right and top perspective view of a slipper showing my new design;

FIG. 2 is a front, left and bottom perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a right view thereof;

FIG. 7 is a front view thereof; and,

FIG. 8 is a rear view thereof.

The broken lines illustrate portions of the article that form no part of the claimed design.