A Short History of the Sauna Hat

Where the felt sauna hat came from, why it's made of wool, and how it ended up hanging on sauna walls across Canada.

The Sauna Hat Guide · October 2026
Two friends in felt sauna hats beside a wood-fired barrel sauna by the water

The pointy felt hat on the sauna wall looks a bit like something from a fairy tale. It's actually a very practical tool, and one with a long history in the bathing cultures of Northern and Eastern Europe.

Bathing cultures of the north

Hot bathing is old and widespread. Finland has its sauna, Russia its banya, and Estonia, Latvia and Lithuania have their own smoke saunas and bathhouses. These cultures grew up in cold places where wood was plentiful, and the bathhouse was where people got clean, warmed up through long winters, and socialized.

In all of them, people ran into the same problem: the hottest air in the room sits up near the ceiling, exactly where your head is. Bodies can take a lot of heat. Heads, scalps, ears and hair are less happy about it.

Why felt?

The solution was the material people already had: wool. Felting wool (working the fibres together with water, heat and agitation until they mat into a dense cloth) is one of the oldest textile techniques there is. Felt is thick, holds a shape without stitching or structure, insulates well, and handles heat without feeling hot to the touch. It also copes with moisture, which matters in a room full of steam and sweat.

So the felt bath hat became a standard part of the kit, especially in the steamy Russian banya, where the hat (the bannaya shapka) is as normal as the birch whisk.

Shapes and styles

Over time, sauna hats took on a few familiar shapes:

Decorated hats became a small folk art of their own. Embroidered names, jokes, cartoon characters and national colours are all common. Many families have a hat for every person on the sauna wall.

Finland and the sauna hat

In Finland, sauna hats are a familiar sight but not a rule. Some sauna-goers swear by them for hot, steamy sessions; others never wear one. Like most things in sauna culture, it's down to personal preference and how hot you like it.

The sauna hat comes to Canada

Canada has had saunas for a long time, especially in communities with Finnish roots in Northern Ontario, the Prairies and British Columbia. In the last few years, though, sauna culture has taken off across the country: Nordic spas, urban bathhouses, community saunas, and wood-fired barrel saunas by lakes and rivers. In places like Squamish, the sauna-and-cold-plunge ritual has become part of everyday life.

With the saunas came the hats. Regulars discover the same thing people in Helsinki and Tallinn did generations ago: a wool hat lets you stay comfortable longer in the heat. Today you'll see them in Canadian saunas on everyone from ski bums to grandparents.

Old idea, same reason

The materials have barely changed. The best sauna hats are still natural felted wool, with finer merino wool as the modern, softer option. What started as a practical fix in a smoky bathhouse is still the simplest way to make a hot sauna more comfortable.

Want to know how they work and which style to pick? Read why a wool hat keeps your head cooler.

Questions

Where do sauna hats come from?

Felt sauna hats are closely tied to the Russian banya and the bathing cultures of Finland, Estonia, Latvia and Lithuania, where people have worn wool or felt caps in hot bathhouses for generations.

Why are sauna hats made of felt?

Felting turns wool into a thick, dense fabric that insulates well and handles high heat without feeling hot. Wool was also local, cheap and easy to felt by hand in the regions where sauna culture grew.

Do Finnish people wear sauna hats?

Many do, especially for hot, steamy sessions, though it's a matter of personal preference. Sauna hats are a common sight in Finland but not universal.

Ready to try a sauna hat?
Sauna Hats Canada ships wool and merino sauna hats Canada-wide from Squamish, BC.

See the hats

More reading: Sauna Temperatures Explained · How to Protect Your Hair in the Sauna · All articles