Quote Originally Posted by OC Richard View Post
I think those are using the term "Balmoral tweed" in a general marketing sense.

As opposed to "Balmoral Estate tweed" which is the tweed used on that estate.

BTW there's a book, which I've not seen in person

https://www.johnstonscashmere.com/us...eeds-book.html
It's a good book, written by the son of E.S. Harrison, author of the earlier Our Scottish District Checks. The latter is a little drier and more technical but in order to understand the history and development of Estate Tweeds and Checks one needs to read both.