Betsey Johnson Fluffy Slipper Black with Red Hearts (Small)5-6 SLIPPER SIZE SMALL = WOMEN'S SHOE SIZE 5/6 SLIPPER SIZE MEDIUM = WOMEN'S SHOE SIZE 7/8 SLIPPER SIZE LARGE = WOMEN'S SHOE SIZE 9/10 SLIPPER SIZE EXTRA-LARGE = WOMEN'S SHOE SIZE 11