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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 wooden sauna bucket with ladle and a folded grey 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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