Receiving a wedding invitation is a pleasure, until you reach the dress code. Those few words—lounge suit, black tie, morning dress—can cause more anxiety than choosing a gift. Yet they are not arbitrary. Each code carries a precise history and a clear expectation. Understanding them shows respect to your hosts and gives you quiet confidence. Here is a practical guide for the classic British gentleman.

Reading the Invitation: The First Clue

The dress code is usually at the bottom of the invitation. If it is absent, do not assume. The time of day is your next clue. Before 6pm, daytime formality applies: morning dress or a lounge suit. After 6pm, evening formality takes over: black tie or a dark lounge suit. The venue matters too. A country church at noon calls for different attire than a London hotel at eight. If still unsure, ask the host or best man. A quick question is better than an awkward arrival.

Lounge Suits: The Reliable Workhorse

When an invitation says lounge suit, it means a matching jacket and trousers, worn with a shirt and tie. This is not a blazer and chinos. For a wedding, choose a two-piece suit in navy, charcoal, or mid-grey. Black is acceptable for evening, but navy is more versatile. A waistcoat adds dandy polish. Your shirt should be white or pale blue, with a spread or point collar. The tie should be silk—perhaps a wedding tie in shepherd's check. Shoes: polished Oxfords or Derbies in black or dark brown. Add a white linen pocket square, folded simply. Avoid trainers, short sleeves, and novelty socks. In summer, lighter weight wool, linen, or cotton is appropriate, but keep the cut classic.

Black Tie: The Evening Standard

Black tie means a dinner jacket, not a business suit. The jacket should be black or midnight blue, with satin or grosgrain peak or shawl lapels. Trousers match and carry a single braid of satin or grosgrain down the side. Wear a white dress shirt with a marcella bib, studs rather than buttons, and double cuffs. The bow tie must be black silk and self-tied—never pre-tied. Choose a low-cut black waistcoat or a cummerbund with pleats facing upwards. Shoes are patent leather Oxfords or highly polished black wholecuts. Socks should be black silk or fine wool, over the calf. A white linen pocket square is correct; silk is not. 'Creative black tie' invites a velvet jacket or a coloured bow tie, but only if you are confident.

Morning Dress: The Daytime Formal

Morning dress is worn for weddings before 6pm, especially in church or at a country house. It consists of a morning coat—a tailcoat with a cutaway front—in black or dark grey. Trousers are grey and black striped, known as spongebag trousers, without turn-ups. The waistcoat is single-breasted, often buff or light grey. The tie should complement it: a wedding tie or a solid colour. A white shirt with a stiff collar or a turn-down collar is correct. Black Oxford shoes complete the look. A top hat is optional; if worn, carry it rather than wear it indoors. For the dandy, a pale grey waistcoat, a subtle pocket square, and a buttonhole of carnation or rose add flair without shouting. Morning dress is not a costume; it is a living tradition.

White Tie and Other Rarities

White tie is the most formal code: a tailcoat, white bow tie, stiff shirt, white waistcoat, and black trousers with two braids. It is rare at weddings unless specified. The word 'formal' alone can be ambiguous. 'Black tie optional' means you may wear a dark lounge suit and tie, but a dinner jacket is preferred. 'Lounge suit' means a suit and tie, not a blazer and chinos. 'Smart casual' is not a wedding dress code unless the couple explicitly say so; even then, it usually means no jeans, no trainers, and a jacket is optional.

The Dandy's Checklist: Practical Points

• Reply promptly, and if asked, state your intended attire clearly.
• When in doubt, ask the host or best man. It is good manners, not weakness.
• Fit is everything. A well-tailored lounge suit beats an ill-fitting dinner jacket.
• Invest in quality accessories: silk bow tie, mother-of-pearl studs, linen pocket square.
• Polish your shoes. Socks should match your trousers, not your shoes, except in black tie.
• Do not outshine the couple. Avoid white jackets, extravagant waistcoats, or novelty ties.
• For black tie, midnight blue is a dandy's choice, but black is never wrong.
• For morning dress, a well-pressed coat and crisp shirt matter more than a top hat.
• In summer, choose lighter cloth but keep the formality. Linen wrinkles; that is part of its charm.
• Dress codes exist to make everyone comfortable. When you dress correctly, you honour the occasion.