The buttoned-down collar, originating from America has buttonholes at the tips to enable them to be fastened to the body of the shirt. Shirts with a buttoned-down collar are not convenient for formal occasions. If you are seeing for something not too western, then the banded collar is just for you as it is favorite in Asia where head of states often wear suit jackets with a banded collar. The banded collar is a strip of even width that ends up seeing like a ring over the shirt and colse to the neck. The most formal type of shirt reserved for the most formal of ceremonies have a wing collar - stiff tips sticking up and out. A shirt with a wing collar goes hand-in-hand with the bowtie. After this overview of the distinct types of collars and their functions, you should be able to pick the most standard type of men's shirt for you to suit the right occasion.