Australian Merino Wool Hat – Long Hair & Sensitive SkinElevate Your Sauna Ritual. Stop the heat from cutting your session short. Because heat rises, your head overheats long before the body is fully warm. A wool sauna hat acts as thermal insulation, slowing heat exposure to the scalp and allowing your body to adapt gradually. This is why sauna hats are traditionally used in Finnish sauna and Slavic banya culture they are essential tools, not just accessories. This helps make your sessions longer, more