Generally I guess you would look for a Great helm.
Here's two good examples with a quick Google:
(good colours for you too)
As for clothes, if you want historical stuff, look up early 14th century clothes, if you want Bretonnian stuff, I have no idea. (I assume its based on historical stuff).
Edit: Also, you could look up Sugarloaf helms. They're like Great helms but have a more sloped profile.
'Luck is the residue of design.' - John Milton
'Let the world tremble as it senses all you are about to accomplish.' - Luís de Camões
Last edited by ThoseKrazyKasrkin; 09-19-14 at 07:10 AM.