Quote:
Originally Posted by
Sazerac 
The standard-issue GQ advice is to ratchet up your overcoat by one size. I find this to be total bullshit. Some manufacturers already factor the suit in when designing the overcoat.
Agreed. A size 38 overcoat (for example) will already be slightly larger in the chest and shoulders than an equivalent size 38 suit jacket to account for being worn over one. I don't know exactly how much this is though.
Quote:
Originally Posted by
unbelragazzo 
In the BOC length?
I'm not sure what you're looking for with regard to the length, the length of an overcoat is an entirely stylistic choice so there is no fixed 'additional measurement'.