Two nights account for a remarkable share of the tailcoats one still sees in Washington.

The Gridiron Dinner has been held since 1885. Sixty-five working journalists, a dinner each spring, every sitting president since its founding but one having spoken from the floor, the whole evening off the record, and one of the last large scale white tie affairs left anywhere in the city.

The Russian Ball has been held since 1971, on the Julian calendar New Year in January, in the ballroom of the Cosmos Club on Massachusetts Avenue. Invitation only. The stated dress is white tie, black tie or national costume. The room therefore divides, and you can see at a glance who owns a tailcoat and who does not.

Past those two the calendar thins but does not disappear: the diplomatic and embassy circuit, a handful of society and hunt balls, the odd investiture, and the Philadelphia and New York events that draw Washington down and up the corridor. Enough that for a certain kind of man here the question stops being hypothetical.

Eight elements. None of them optional, and none of them interchangeable with their black tie equivalents.

That one line disposes of most errors before they happen. The white waistcoat should disappear behind the black coat before the coat ends. When it hangs below the cutaway, the clean geometry of full dress is broken, and it is usually the first thing an experienced eye notices.

Alan Flusser calls evening dress the ultimate sartorial embodiment of the less is more maxim, and notes that its details are exacting precisely because there is nowhere to hide. He is right, and the corollary is that the errors are few and always the same ones.

What Gives the Game Away

White tie offers very little opportunity for invention. That is part of its appeal. When every man in the room is wearing essentially the same thing, proportion and fit become everything.

If white tie happens once in your life, rent it and accept the fit. There is no shame in that and a great many men in any given room have done exactly the same.

The difficulty is that the rental market for tailcoats is thin. Stock is old, sizing is coarse, and the coat that comes back is approximate in the shoulder, which is the one place approximation shows. That, more than anything, is why the code has a reputation for looking like fancy dress. It is not the rules. It is the fit.

Which is the honest case for having one made. The silhouette has not meaningfully moved since the 1930s, so nothing about a well cut tailcoat dates. A man who expects the Gridiron, or the embassy circuit, or a hunt ball more than twice will spend less owning than renting, and will look considerably better doing it.

Made for the room.

A tailcoat leaves very little room for approximation. The shoulder must be clean. The waistcoat has to disappear at exactly the right point. The trouser must sit high enough that the shirt never appears between trouser and waistcoat. And because the coat never closes, its balance has to be right while standing open.

That is why we have full dress made to the individual. The tailcoat, trousers and piqué waistcoat are commissioned together, and you are measured, patterned and fitted at our Tysons showroom, where our own tailors finish the coat before it leaves. The pattern belongs to the man who will wear it. It is not an existing size altered into something close, which is the difference between fully custom and made to measure, and on a garment with this little margin for error it is the difference that shows.

Most men will only ever commission one tailcoat. It should be enough.

Which is why we would rather talk it through than sell it off a page. Bring the invitation and the date. Eight weeks is the turnaround on a tailcoat, so anything further out than that is comfortable and anything tighter is worth asking about rather than assuming. Our tuxedos and formalwear and wedding tailoring are made the same way.