What Is Red Sea Rig: Black Tie for Hot Climates

Red Sea Rig is a black tie variant for hot climates that drops the dinner jacket but keeps the rest of the evening outfit: black trousers, white shirt, black bow tie and cummerbund. The name is tied to the Royal Navy, where it was used for dinners on board ship and at tropical bases, and today you occasionally see it on invitations in warm regions.

Origins in the Royal Navy

The name alludes to the Red Sea, a region known for hot, humid weather. In the British navy it is the evening dress for tropical climates, replacing the formal jacket when a heavy coat would be too hot. The exact history (who coined the name, and from what year) is not clearly recorded in popular sources, so treat it as a frequently repeated military origin rather than a dated fact.

What is certain is the idea: keep the formality of an evening occasion and cut the heaviest part, the jacket.

What Red Sea Rig consists of

A typical Red Sea Rig includes:

• Black trousers: the same as tuxedo trousers, with a satin braid down the leg if done properly.
• White shirt: usually lightweight, long or short sleeved depending on the version, pleated or plain.
• Black bow tie: hand-tied.
• Cummerbund: black, standing in for the waistcoat and covering the waistband.
• No jacket: this is the defining point.
• Shoes and socks: polished leather shoes, black socks.

In the military version the shirt may carry rank insignia on the shoulders and medals, but this does not apply to civilians.

For the cummerbund as an alternative to the waistcoat, see the three-piece tuxedo: waistcoat or cummerbund.

When an invitation says Red Sea Rig or tropical black tie

The phrase "Red Sea Rig" rarely appears on civilian cards, but you may meet it at:

• Parties with a military or naval element, or a host who served.
• Clubs in hot regions such as the Gulf and Southeast Asia.
• Some outdoor events where the organiser wants to allow the jacket to come off.

More common is "tropical black tie" or "black tie, tropical". This is not tightly defined: it may mean a lightweight tuxedo, an ivory dinner jacket, or permission to remove the jacket after the formal part. When you meet it, ask the organiser how they mean it.

Using it at outdoor events in Vietnam

Saigon is hot and humid all year, so Red Sea Rig can be an interesting idea for an outdoor evening, but use it with care.

• Only if the host allows it: do not drop the jacket on your own at a strict black tie event. The rules on taking the jacket off are in black tie etiquette.
• Bring the jacket: put it back on for the main hall or the group photograph. Keep it on a chair or with a companion.
• Choose light cloth: a thin, unlined wool tuxedo jacket is more comfortable in the heat. An ivory dinner jacket such as the Ivory Shawl Tuxedo with Cummerbund and Black Trousers (TUX-106) also suits warm-season events.
• Good trousers and shirt: with no jacket, the shirt and cummerbund are fully exposed, so they must be clean, well fitted and pressed.

The article wearing a tuxedo in hot weather goes deeper on fabric and staying cool. The levels of dress are on the dress code page.

Book a fitting at Mon Amie

If you are attending an outdoor party and want a lightweight outfit that is still correct, a Mon Amie consultant can suggest cloth, lining and the cummerbund to go with it. Making time is confirmed at measuring, so book ahead of the event. Book a fitting at a showroom.