No size so I measured and please go by the measurements.
US size 13 Inside 12 1/8" Outside 13"
US size 11 inside measurement 113/8". Outside 12".
US 10 inside 11" outside 11 7/8"
US 7 Inside 10 1/8" Outside 11"
US 9 Inside 10 3/4" Outside 11 3/8"
US 12 Inside 11 5/8" Outside 12 1/4"
These are an unlined light weight slipper.