These hand tailored basic Jubbas from Turkey will round out the Sunnah outfit of any seeker. Keep the way of the Sufi masters and dress as they dress.  

'Abdullah, the client of Asma', said, "Asma' brought out to me a cloak of Tayalisah (a type of mantle) which had a collar border a span (wide) of brocade and verily it's two openings were hemmed with it (i.e. brocade). She said, 'This is the of the cloak of the Messenger of Allah, may Allah bless him and grant him peace. He used to wear it for delegations and on Jumu'a.' " (Bukhari's  Al-Adab Al-Mufrad)