To eliminate a defect that slippers easily removed slip off in doing housekeeping such as cooking or cleaning while wearing slippers.

This slipper is composed of a bottom plate 4 which is made similar to the form of sole and provided with a V-shaped slit 10 at the center of top end, outside cloth 2, inside cloth 6, automatic cloth 5 and binder sheet 3 with which extended parts E1 and E2 are respectively provided on both the sides of bottom part in the same size as this bottom plate 4 and V-shaped slits 10 and 11 are respectively provided at the top end center of extended part E1 and the rear end center of extended part E2. Then, the binder sheet 3, bottom plate 4, automorphic cloth 5 and inside cloth 6 are successively combined on the outside cloth 2, the top end edge is sewn by bending the extended part E1 inside, the slit part 11 is sewn by erecting the extended part E2 and further, the bottom plate 4, outer cloth 2, automorphic cloth 5 and inside cloth 6 are integrally combined by fusing the binder sheet 3 by heating the whole body so that the bottom part and insole part can be integrated with no stitch on the bottom and further, the bottom plate 4 can not be exposed on the surface.