Reversible sauna hat made with carefully selected nylon fabric, designed by a sauna enthusiast who goes to the sauna over 200 times a year. Color: Navy x Red Material: Outer: Nylon Insulation: Thinsulate (3M) Lining: Nylon The insulation inside the hat uses 3M Thinsulate. It can be expected to prevent dizziness during sauna sessions and reduce damage to the hair. The design offers excellent convenience with 6 reversible patterns. The hanging loop at the top is convenient for washing. The expected insulation effect makes this item wearable in a wide range of situations, such as outdoors and camping.