100% Merino wool, the fabric outdoor enthusiasts love most, in a classic beanie. Whether out for a day of bouldering or hiking, this eco-friendly hat is constructed to create a light base layer of warmth. It controls odor and moisture and offers optimal performance during low-to medium intensity activities. Merino wool's natural qualities include being water repellent, odor resistant, flameproof, durable, UV protectant, and has natural stretch and elasticity. Material: 100% Wool.