FIG. 1 is a top, front, left-side perspective view of a slipper according to our new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a left-side elevation view thereof;
FIG. 5 is a right-side elevation view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a top, front, left-side perspective view of a second embodiment thereof;
FIG. 9 is a front elevation view of FIG. 8;
FIG. 10 is a rear elevation view of FIG. 8;
FIG. 11 is a left-side elevation view of FIG. 8;
FIG. 12 is a right-side elevation view of FIG. 8;
FIG. 13 is a top plan view of FIG. 8; and,
FIG. 14 is a bottom plan view of FIG. 8.
The dashed lines shown around the eyelets of the slipper in FIGS. 1, 2, 4-6, and in the bottom view of the slipper in FIG. 7 represent stitching and forms part of the claimed design. All other dashed lines represent unclaimed portions of the slipper and form no part of the claimed design.