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What does it consist of? I've never been to a cocktail party, yet we have a work event which ends with one and the advice is for "Cocktail attire, men are advised to wear jackets".
What should I wear (sensible suggestions please)?
For you princess I reckon this would suit you .. 🤪

A dinner suit. White jacket in the tropics, obviously.
the tropics
Well, it is 31 degrees in Lisbon next week...
Defo not jeans trainers and t shirt.
Shirt & tie, jacket of some form, or a suit.
Or just this bad-boy https://www.joke.co.uk/mens-pint-of-beer-costume~81237/

Knee warmers. And nothing else.
black tie effectively.
You’re already half way there.
Just need to grow a tail.
Gore Phantom II it's my goretoo jacket....
IGMC
Black tie is too formal.
Cocktail attire is a dark grey - black smart suit. You could go dark blue, if it’s less formal. White shirt, tie and collars (not wing-tips). Moss Bros will sort you out.
Had to get black tie, informal and cocktail suits last year for a wedding in Hong Kong- I cooked.
The answer is a kilt.
The answer is always a kilt.
Gentlemen wear coats. Potatoes have jackets.
My default zero cost option was Bodgy's. I have a Black suit, and a good quality white shirt amd shiny shoes that'll add the Bond effect with 'links and a Seiko Samurai to finish it of .
As its not formal i will eschew a tie.
men are advised to wear jackets
A jacket you say?

AAAAY!
Jeans and a t-shirt unless you're over 30.
Im 47 Drac...
Well no jeans for you.
One one answer
triple denim (jeans, denim shirt and denim jacket) all matching tones
White jacket in the tropics, obviously.
Plus flip flops...
Toga, Toga, Toga,Toga !
🤔
Can anyone else smell pork products?
Had to get black tie, informal and cocktail suits last year for a wedding in Hong Kong. I cooked
Chef's outfit would have been more appropriate, Shirley?
Knee warmers. And nothing else.
Attire for leaving a cocktail party in is another topic entirely...
Jeans and a t-shirt unless you’re over 30.
And if it’s posh then the t-shirt might need ironing.