Wool Felt Sauna HatWool Felt Sauna Hat Features: A wool felt sauna hat is more than just a protective accessory; its a key part of a traditional sauna experience. This wool sauna hat offers a more comfortable session by shielding your head from the intense heat while also preserving the natural moisture in your hair. A sauna hat is a must have when bathing in a sauna. With temperatures ranging from 150F to 230F, the head is the first part of your body to get overheated.