Formal Hats: A Complete Guide to Top Hats, Homburgs, Bowlers & Dress Codes

Q: Do you take a hat off indoors?

Yes. Traditional etiquette is to remove a hat indoors, in buildings, at the dining table, and during introductions and national anthems. This applies especially to formal hats.

9. September 2026

Last updated: September 2026 · By The Hatloom Team

Quick answer: Formal headwear runs from the top hat (the most formal — white tie and morning dress) through the homburg (business-formal and semi-formal) and the bowler (traditional city dress) to a dressed-up fur-felt fedora for smart occasions. The rule is simple: match the hat to the dress code, then wear it in a dark, high-quality material.

The Formal Hats, Compared

Hat	Formality	Traditional occasion	Typical material
Top hat	Most formal	White tie, morning dress, weddings, the races	Silk (antique) or fur felt; grey for morning dress
Homburg	Formal / business-formal	Business, semi-formal events	Stiff fur felt, single crown dent, curled brim
Bowler (derby)	Formal, traditional	Historic City of London dress; heritage occasions	Hard felt, rounded dome crown
Dressed fedora / trilby	Smart / semi-formal	Smart-casual to semi-formal events	Dark fur felt, clean creased crown

Match the Hat to the Dress Code

Morning dress (weddings, Royal Ascot Royal Enclosure): a top hat — black or grey to match the morning coat.
White tie: a black silk top hat, traditionally collapsible (an opera hat).
Business-formal / semi-formal: a homburg, or a clean dark fur-felt fedora.
Smart-casual to semi-formal: a fur-felt fedora or trilby in a dark, solid colour.
Black tie: traditionally no hat is worn; if you must, keep it a plain black homburg or fedora and remove it indoors.

Insight: for formal wear, material and colour matter as much as the shape. A dark, tightly finished fur-felt hat reads as formal; a soft, pale or textured one does not — even in the same silhouette.

How to Wear a Formal Hat

Remove it indoors — in buildings, at the table and during introductions. This is the core of hat etiquette.
Fit it properly: a formal hat should sit level, about two finger-widths above the eyebrows, snug without pressing.
Keep it dark and plain for formal occasions; save lighter colours and textures for casual wear.

Bottom line: the top hat is the most formal, the homburg the everyday-formal workhorse, the bowler a heritage choice, and a dark fur-felt fedora the flexible semi-formal option. Match the hat to the dress code, choose quality felt in a dark colour, and take it off indoors.

Frequently Asked Questions

What is the most formal hat?

The top hat. It is the traditional headwear for white tie and morning dress, worn at formal weddings and at events such as the Royal Enclosure at Ascot. A black or grey top hat in silk or fur felt is the most formal hat a man can wear; nothing outranks it in the Western dress-code hierarchy.

Can you wear a hat with a suit?

Yes. For a business or formal suit, a homburg or a clean dark fur-felt fedora is the classic choice — both read as formal without the ceremony of a top hat. Keep the colour dark and the material quality felt, match the formality to the suit, and remove the hat indoors.

What hat do you wear to a wedding or the races?

For a formal morning-dress wedding or the Royal Enclosure at Ascot, men traditionally wear a top hat in black or grey. For a smart but less formal event, a dark fur-felt fedora works well. Women typically wear a formal hat or fascinator rather than the men's styles above.

What is a homburg hat?

A homburg is a formal felt hat with a single lengthwise dent in the crown, a stiff, upturned and bound brim, and no side pinches. It sits between the top hat and the fedora in formality — dressier than a fedora, less ceremonial than a top hat — and was long associated with business and statesmen's dress.

Do you take a hat off indoors?

Yes. Traditional etiquette is to remove a hat indoors — in buildings, at the dining table, and during introductions and national anthems. This applies especially to formal hats. Caps are treated a little more casually, but for any formal hat, removing it indoors is expected.