Quote Originally Posted by PEEDYC View Post
The "rule" that I have been told of is "Never wear tartan with tartan" The reason given is that different materials cause the same tartans to look different and can spoil the intended look. I for one wear both plain and tartan depending on the occasion
That really isn't a rule with any "authority." Tartan waistcoats, jackets, plaids, hose are all worn with the kilt. Whether or not you like the look is your own opinion, but it certainly is traditional to wear tartan other than the kilt.