yeah, Braddock's coats are really nicely cut and tailored.
I think in the above fit, I would go without square and yes, solid shirt as you and Helden recommend.
I think often enough, we might do well to go n-1 on patterns. That is, when you are tempted by 3 patterned elements, go with 2 (4 with 3, 5....yikes). Less might often be more.
It's when more works that it is interesting. There are a lot of 3+ pattern mixing in WAYWRN now. We should find an...