The soft and warm women's headband is made of high-quality material containing merino wool. It is great for both sports and casual wear, as it will perfectly protect you from the cold and wind. Merino is a natural material suitable for allergy sufferers with a lot of great properties. Maintains body temperature Perfectly breathable Perfectly wicks moisture away from the body Natural antibacterial property eliminates odor Please note that Merino is a natural material whose completely natural phenomenon is pilling, which therefore cannot be a reason for later product complaints.