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KovaSauna

The journal

Notes from the warm room

Sauna science, ritual guides, and gift intel — written slowly, like everything else around here.

A hand-finished oat-cream Löyly Classic wool felt sauna hat on a warm off-white background, showing its dense 8 mm felt and stitched brim

Buyer's guide

How to choose a sauna hat: a buyer's guide

Not all sauna hats are equal. A clear buyer's guide to what actually matters — wool vs synthetic, the right thickness, the brim, fit, and care — so you buy one hat, once.

July 8, 2026 · 6 min read

A folded gray wool sauna hat beside a wooden bucket and ladle on a birch bench, airing out after a session

Care guide

How to wash and care for a wool sauna hat

Wool sauna hats barely need washing — but when they do, here's exactly how: airing, hand-washing, drying, storage, and the two things that quietly ruin one.

July 8, 2026 · 5 min read

A wool sauna hat and a rolled linen towel resting on a warm birch sauna bench

Sauna guide

How hot should a sauna be? A guide to sauna temperature

How hot should a sauna be? The normal temperature ranges for Finnish, infrared, and steam saunas — in °C and °F — plus how hot is too hot, and why the air at your head is the hottest of all.

July 8, 2026 · 5 min read

A wool sauna hat and a rolled linen towel resting on a birch sauna bench in soft daylight

Sauna culture

Sauna etiquette: a first-timer's guide

Nervous about your first sauna? A warm, practical guide to sauna etiquette — what to wear, how long to stay, the unwritten rules, and why you'll be completely fine.

July 8, 2026 · 6 min read

The oat-cream Löyly Classic wool felt sauna hat on a warm off-white background

Sauna culture

Löyly, and the words that make a Finnish sauna

Löyly, kiuas, vihta, sisu — a short, warm glossary of the Finnish sauna words worth knowing, and why each one points at something the English word misses.

July 8, 2026 · 4 min read

A wooden sauna bucket with ladle and a folded gray wool sauna hat on a birch bench

Sauna science

Why wear a hat in a sauna? The science of a cool head

It sounds backwards — a wool hat in a 90°C room. Here's the simple physics of why sauna hats work, and why Finns and banya-goers have worn them for centuries.

June 10, 2026 · 4 min read

An oat-cream wool sauna hat and rolled linen towel on a birch sauna bench in soft daylight

Ritual guides

Sauna + cold plunge: a beginner's contrast ritual

Heat, cold, rest, repeat. A simple, sane three-round contrast therapy protocol for beginners — what to do, what to bring, and how to make it a habit.

June 10, 2026 · 5 min read

Kova gift set flat lay: sage sauna hat, kraft gift box with ribbon, linen pouch and birch sprig

Gifting

The sauna lover's gift guide

What to give the person whose happy place is a 90°C wooden room — from the no-brainer gift set to the right colorway for every personality.

June 10, 2026 · 3 min read

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