Nothing mysterious about it - the Plague Doctor is now live in slipper form! Slap these bad boys on, and you'll be the talk of the town!

Size Youth fits children ages 5-8.
Size XS/S fits Womens' shoe US sizes 5-7. Mens' shoe US sizes 3.5-5.5.
Size M/L fits Womens' shoe US sizes 8-10. Mens' shoe US sizes 6.5-8.5.