I bought a pair of these slippers 5 years ago and wore them to death!!!!  They are by far the most comfortable, soft and sturdy slippers I have ever worn. I never, ever wear shoes in the house and consequently wore these almost daily in the house. In fact, I love them so much I even traveled the world taking them with me to wear in my hotel room and/or ship suite!!!  They are perfect and well constructed.  I wear a shoe size of 6 and purchased the SMALL which are definitely snug for the first few wearings, but gradually loosen up to the perfect fit!!!!  I am so upset that they discontinued this mule style, replacing it with the new collared style. I do not like anything around my ankles and the mule style was perfect in that regard!