Size Chart
Our current size chart (generation 4):
Small - Ladies 5/6 (sole measures 9.75" from heel to toe - Width 3.75")
Medium - Ladies 7/8 (sole measures 10.25" from heel to - Width 3.875")
Large - Ladies 9/10 (sole measures 11.0" from heel to toe - Width 4")
XL - Ladies 11/12 (sole measures 11.375 from heel to toe - Width 4.125")