قال الشيخ رحمه الله ويكره أن يصلي الانسان بعمامة لا حنك لها
The Shaykh (Al-Mufid), may Allah سبحانه وتعالى support him, said: "It is disliked for a person to pray wearing a turban that does not have a hanak (the part of the turban that is wrapped under the chin)."