Atef () is the specific feathered white crown of the ancient Egyptian deity Osiris. It combines the Hedjet,  the white crown of Upper Egypt, with curly ostrich feathers on each side of the crown for the Osiris cult.
The Atef crown, a distinctive symbol of the ancient Egyptian god Osiris, combines the traditional Hedjet crown with curly ostrich feathers on its sides. This unique design is specific to the Osiris cult.