Science
Science-backed insights on sauna, recovery, and athletic performance.
Best Sauna Hat 2026: Wool vs Felt vs Nothing
The sauna hat category has exploded. Amazon listings have tripled. Instagram is full of them. Flower-shaped felt hats from Lithuania sit next to merino...
Why Do You Need a Sauna Hat? The Science of Head Temperature
The sauna hat looks like the kind of thing a marketing department invented. A wool hat you wear indoors, in a hot room, on...
Why Do You Need a Sauna Hat? The Science Behind Staying In Longer
The short answer: You need a sauna hat because your head is the weakest link in any sauna protocol. Air temperature at the top...
How to Choose the Right Sauna Hat: Materials, Fit & Style
The short answer: Choose a sauna hat made from 100% wool, ideally merino, with a thickness of 4–6mm. Wool insulates at temperatures above 80°C...
