Row 1-2: 38 SC
Row 3: 1 SC, dec, 32 SC, dec, 1 SC.
Row 4-5: 36 SC
Row 6: 1 SC, dec, 30 SC, dec, 1 SC
Row 7-8: 34 SC
Row 9: 1SC, dec, 28 SC, dec, 1SC
Row 10-11: 32 SC
Row 12: 1Sc, dec, 26 SC, dec, 1SC
Row13-14: 30 SC
Row 15: 1SC, dec , 24 SC, dec, 1SC
Row 16-17: 28 SC, slp st to join with the base. Ch1 to secure and cut off the yarn.
Hide the extra tail on the inner side of the slipper. And it’s done.