The BUFF® Midweight Merino Wool Hat is made from 100% mulesing-free merino wool and can be worn all year round. This hat is extremely soft and very comfortable to wear. Merino wool is naturally heat and moisture regulating, very soft and comfortable, easy to keep clean, extremely strong, odor resistant and also biodegradable. Ideal for outdoor activities in cold weather conditions with low to moderate effort such as walking, hiking, cycling and climbing. - made of natural material - biodegradable within 3 months - washable - thin enough to prevent irritation - high degree of moisture regulation - high breathability - naturally stretchy material for high wearing comfort - odor-free - sustainable - animal-friendly wool (mulesing free) - available in different colors - one size fits all - manufactured in Spain