2024 rules reference for Wings of Flying.
Wondrous Item
While wearing this cloak, you can take a Magic action to turn the cloak into a pair of wings on your back. The wings lasts for 1 hour or until you end the effect early as a Magic action. The wings give you a Fly Speed of 60 feet. If you are aloft when the wings disappear, you fall. When the wings disappear, you can't use them again for 1d12 hours.