"Thinsulate Sauna Hat" that protects the head from the heat of the sauna The "Thinsulate Sauna Hat" is a sauna hat that protects the head from various damages such as heat and dryness in the sauna. If you want to stay in the sauna for a long time or are concerned about hair damage, it may be an essential item in the sauna. What does "Thinsulate" mean in the first place? "Thinsulate" is a combination of "thin" and "insulate" and is a high-performance batting material researched and developed by 3M?. Microfibers and polyester fibers, which are almost as thin as the tips of the feathers, combine and contain a lot of air. Therefore, it is characterized by excellent heat insulation and heat retention. In addition, the Thinsulate Sauna Hat is made of a material that does not easily lose its shape and dries quickly, so it can be washed in a washing machine for home use. [Size: M, L] 【Unisex】Model: Waka-sama 【size】 M（57-59cm） L（59-61cm） 【Place of origin】Made in China 【Ingredients and Ingredients】 52% nylon 48% cotton Filling: 100% polyester Lining: 88% nylon 12% polyurethane