Where does the Balmoral Doublet fit in?

[JSFMACLJR]

Here is the link Jock:
http://www.highlandclans.co.uk/Balmoral_Doublet.html
They say "black tie and white tie" but as with many things I sort of want the real scoop so to speak. Thanks,
Rondo

The "real scoop" is exactly what the description says.