Columbia minx Omni heat slipper size 7

Preloved but not actually worn all that much. The issue: will see the tag states size 8. I washed these so now they are smaller. They are definitely not an 8! Tried to show measurements to help define the size. Enjoy them if you are Sz 6.5-7.5. Sz 8 is no longer factual even though the tag states it!