Reversible sauna hat made with carefully selected nylon fabric by a sauna enthusiast who goes to the sauna over 200 times a year. Color: Gray x Light Blue Material: Outer: Nylon Insulation: Thinsulate (3M) Lining: Nylon 3M Thinsulate, which has excellent heat insulation properties, is used for the insulation inside the hat. It can be expected to prevent dizziness during sauna sessions and reduce damage to the hair. The design is also highly convenient with 6 reversible patterns. The hanging tape at the top is convenient for washing. This item can be worn in a wide range of situations, such as outdoors and camping, due to its expected heat insulation effect.