Should you wear a belt with a tuxedo

By the formal standard, a tuxedo is worn without a belt. Correct tuxedo trousers have no belt loops; the waist is held by side adjusters or by braces. The reason is part tradition and part practicality: a belt cuts across the body at the very point where formal dress wants one unbroken line from chest to foot.

Tuxedo trousers have no loops

Look at a properly made pair of tuxedo trousers and the waistband is plain, with none of the small cloth loops that carry a belt. This is one of the quick differences from ordinary dress trousers, and more of them are in tuxedo trousers versus dress trousers.

Dropping the loops is not about elegance alone. It follows from how the trousers are worn: cut high, worn with a cummerbund or waistcoat, with the waistband hidden entirely under those layers. A belt would put a buckle and a double thickness exactly where the waist needs to be flat.

Side adjusters or braces

Two things hold the waist without a belt.

• Side adjusters: a small strap with a buckle or button at each hip, allowing you to take the waist in or let it out by a couple of centimetres. It lies flat and is almost invisible under the jacket and cummerbund. It keeps the trousers comfortable before and after dinner without squeezing.
• Braces: they hang the trousers from the shoulders and hold a high waistband in place all evening. This is the traditional method for formal wear, attached to buttons inside the waistband. Braces: why a tuxedo needs them explains the fastening, X-back or Y-back, and colour.

Made-to-measure trousers can have both: adjusters for a precise waist, buttons so braces can lift the cut. The two details complement rather than replace each other.

A belt cuts the figure in half

Beyond tradition, a belt creates three visual problems.

1. It divides the body. A band of black leather draws a horizontal line at the waist, exactly where trousers and jacket should flow together. The viewer sees two halves instead of one figure.
2. It shows the buckle. When you take the jacket off or unbutton to sit, a bright metal buckle appears between the white shirt and black trousers. That is an unnecessary focal point, especially under evening lighting.
3. It spoils the waistcoat or cummerbund. A belt bulges under a waistcoat so the front does not lie flat, or pushes a cummerbund into creases.

Put another way, a belt solves the problem of low-rise dress trousers, but it does nothing for the high-rise trousers of formal wear.

If your trousers have loops

In practice many men wear a rented tuxedo, or trousers altered from ordinary suit trousers, and these come with loops. In that case:

• Prefer braces if the trousers have buttons or can be fitted with them. The loops are then ignored and do not show.
• If you must wear a belt, choose plain black leather, slim, with a small buckle in matte or black metal and no logo. Match the belt to the shoes: patent or polished black shoes call for a black belt.
• Always cover the belt with a cummerbund or waistcoat so the buckle does not show when the jacket opens. With neither, keep the jacket buttoned all evening.
• Avoid brown belts, wide belts, large square buckles and brand logos.

This is a rescue, not a plan. If you expect to attend black-tie events more than once, a pair of trousers made without loops is the cleaner solution.

Related mistakes

In the list of common mistakes when wearing a tuxedo, a belt with tuxedo trousers often appears together with a low rise and a shirt gap between jacket and trousers. The three mistakes tend to arrive together, and share one remedy: raise the waist, drop the belt and use braces.

From the Mon Amie workroom

When we make a tuxedo to measure, the trousers are cut without loops, with side adjusters and with buttons for braces if you want them. You can book a fitting at a showroom so the advisor can measure the waist at your natural waist and let you try high-rise trousers with braces before you decide.