The minimalist women's hat Merhat 4 is a great functional piece made of high-quality material with an admixture of merino wool, which will protect you from the cold and wind. Merino is a natural material suitable for allergy sufferers with a lot of great properties. Properties: Maintains body temperature It is perfectly breathable Perfectly wicks moisture away from the body Natural antibacterial property eliminates odours Excellent thermal insulation Comfortable elastic Circumference 43 cm Please note that Merino is a natural material whose completely natural phenomenon is pilling, which therefore cannot be a reason for a later complaint about the product.