This article is from the Recreational Figure Skating FAQ, by Karen Bryden with numerous contributions by others.
A good quality pair of figure skates provides *at least* as much ankle
support as any pair of hockey skates. You can get figure boots that
feel like steel, if you are so inclined. However, you must select
boots of adequate quality and correct fit so that the boots help your
ankles stay erect as you condition your ankles and balance to control
the skates. Most cases of "weak ankles" are due either to cheap
department store skates, or to floppy, worn-out or oversized rental