I've not seen this mentioned in the recent royal wedding threads, so here goes. The wedding gives me some confidence that the lounge suit, or at least the lounge jacket, is not an endangered species. There is an abundantly-confirmed theory, discussed by James Laver and other dress historians, according to which a garment will sooner or later die out when it becomes fossilized into ultra-formal-wear, and is endangered when it is just one step in formality below the fossilized but still worn ultra-formal garment. The day dress coat died in the 1850s to be replaced as ultra-formal day wear by the then-half-dress frock coat which died in the 1920s to be replaced by the then-half-dress morning coat. The theory also says, I think, that this happens after a period in which the mass of the population do not see the garment in actual--i.e., non-costumey--use. It is true that this is not the only process by which garments die out, or nearly die out. For example, the morning jacket suit/black lounge and formal trousers/stroller is more nearly dead than the more formal morning coat. But it does seem to be the process at work in the frequently complained-of pressure put on the lounge suit in the last two decades or so. As we all know, there are social pressures to make the lounge suit an ultra-formal garment, appropriate only for weddings, funerals, formal evening events, and ultra-formal business events. As Sator and others have frequently said, once that step is taken, it can only be a few decades until the lounge suit is just as dead as the day dress coat. If all that is right, then I think those who love the lounge can take heart in the royal wedding and especially the viewership it received. For what attentive viewers saw included: A day dress coat: Prince Charles's dress naval uniform [1st attachment] (At least) Two frock coats: the Prince of Asturias's dress naval uniform [2nd attachment] and the King of Tonga's dove gray double-breasted frock coat suit [3rd] (You can see them both in the 4th attachment, Asturias a bit left of center and Tonga on the far right. Nice silk facings on Tonga's lapels. And does his coat lining match his tie?) A Prime Minister whose spokespeople had declared he would wear a lounge suit http://www.styleforum.net/showthread.php?t=238268 appearing in a morning coat with a double-breasted waistcoat! [See 5th attachment] It is true that these garments are worn at an ultra-formal event. But they do not look costumey, to my eye.* They look appropriate and elegant at the same time. If they can be worn in a non-costumey way, and have millions of viewers see them, then the morning coat probably will not die next year of the fossilization process. So the lounge suit will not become the ultra-formal garment next year. It can play the half-dress role that the morning coat did in 1905 or the frock coat did in 1830. Moreover, Prince Albert of Monaco's light gray morning coat with lighter waistcoat , and Nick Clegg's light charcoal morning suit (if that's what shade it was) , show that the morning coat can be made less formal or played with, and hence less fossilized. They show that it is more flexible than many people now think. There is reason to hope that many people planning their weddings will see all these images and conclude, "Hmph, the morning coat looks good and is not as stuffy as I thought." If some of them do end up wearing it to their wedding, the lounge suit may have another few decades ahead of it as the half-dress option among live garments: garments wearable if you're not a royal at a royal wedding. P.S. Charles's day dress suit, which has to count as ultra-full-dress nowadays, makes me wonder what the evening wear version would be. If the morning coat's evening equivalent is today the evening dress suit with white bow tie, then would the day dress suit's be an evening court suit? http://en.wikipedia.org/wiki/Court_u...ve_court_dress * They are ultra-formal costume, of course. But that is costume in the sense of costume-I-wear-to-play-one-of-the-roles-in-my-life, not costume in the sense of costume-I-wear-to-play-a-role-I-never-play-in-real-life.