My sister normally wears an 8, but was having orthopedic problems and needed a larger (temporary) shoe to go on over bandages.  I ordered these for her in the largest size, and she loves them.  They have enough cushion to wear for hours--the elastic doesn't bind, either--and they're washable.  Also sturdy enough for her to use them for shopping and "running" (not right now) around.  They won't last forever with hard outdoor use, but at the very low price, these are a darling solution to her problem.