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Hi there,
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Dressing for a formal ceremony in Japan is harder than it sounds — not because the dress code is vague, but because it is strict while also allowing some leeway in most cases other than black and white tie. The expectations are specific, and getting it wrong is noticeable.

My son had his goma fire ceremony last week. A goma is a Buddhist fire ritual — priests chant, offerings burn, prayers are received. For a one-month-old, it's his formal introduction to the world. I wanted to be dressed appropriately.

Japan has clear expectations for family ceremonies. Navy, charcoal, or mid-grey suit. White shirt. Dark tie. Black shoes. The logic isn't arbitrary — it reflects something genuine about what the occasion asks of you: restraint, consideration, and the understanding that you are not the point.

There is also the black suit. In the West, a black suit reads as funeral-only, or is skipped entirely in favour of charcoal. In Japan it's considered entirely correct for weddings, funerals, and ceremonial occasions alike. The dress code logic here is simply different, and worth knowing.

I had three candidates for this day in mind.

The first was my new light grey prince of wales double-breasted. Summer weight cloth, white cotton-linen blend shirt, dark purple tie, white pocket square in a presidential fold, black cap-toe oxfords. The glen check with a subtle purple overcheck was the only real pattern work. A considered, strong choice — other fathers that day wore light grey without issue. The hesitation: prince of wales has countryside origins and reads slightly sportier than plain grey. Navy felt a shade more sober and more festive at once.

The second was my mid-grey sharkskin single-breasted with a double-breasted waistcoat — which is worth pausing on. A waistcoat takes a single-breasted suit to its most formal register. More formal than the suit alone, possibly the most dressed a single-breasted suit can be. The full outfit: light purple shirt, light grey foulard silk tie, beige pocket square, black oxfords. The light purple, while entirely acceptable as a business shirt, felt slightly too personal for what this day was. More dandy-ish than the moment called for. And practically: a waistcoat at 22°C (72°F) with humidity isn't a functional choice, however correct it looks on paper.

The third was my navy twill double-breasted — dark mother-of-pearl buttons, white cotton-linen blend shirt, light grey foulard silk tie, cream pocket square with a subtle navy pattern, black cap-toe oxfords. The MOP buttons were the only deliberate flourish. Everything else read as sober and considered. This was my son's morning, not mine to dress for, though I have to admit it was a pleasure to think through what I was going to wear that morning.

And while Japanese dress codes are fairly strict, no one would stop you if you wore any other suit than navy, charcoal, black or mid-grey. All three outfits would have been appropriate. In practice, Japanese people are remarkably forgiving — they are already pleased if you show up considered and dressed in a suit. What they notice and appreciate is that you know how to put an outfit together. Some individuality is welcome as long as it doesn't veer into the loud or experimental. A light purple shirt, a glen check, dark MOP buttons — none of these would have raised an eyebrow.

Nevertheless, I wanted to stay as close to the safe side as possible while still playing with the details. The navy it was.

Best regards,
Lukas from Thoughtful Style