However, we will need an Australian English speaker to tell us whether or not "slippers" can also describe a type of outdoor footwear.
In the story of Cinderella, her foot fits a "glass slipper" which in most representations looks like a normal ladies' shoe.
In The Wizard of Oz, Dorothy gets back home by clicking together the heels of her "ruby slippers". Again, these are generally shown as ladies' heeled shoes.
Student or Learner