100% Wool WARM LINING: Lock in body heat and keep your ears warm when the temperature drops in the Smartwool Merino Sport 250 Cuffed Beanie. COMFORTABLE FIT: The Smartwool Merino Sport 250 Cuffed Beanie features double knitting for a comfortable and bulk-free fit, allowing you to power through any outdoor activity with ease. MERINO 250: The heavier, soft, 100% Merino wool fabric used on the Men??s Merino Sport 250 Reversible Beanie offers breathable warmth, moves sweat away from the body, and provides next-to-skin comfort in colder conditions. VERSATILE WEAR: Whether you are on a ski trip, need a base layer of insulation underneath your helmet, or are hiking on a cold winter day, the Smartwool Merino Sport 250 Cuffed Beanie will keep your head warm all season long while allowing you to rotate between the reversible sides. CARE INSTRUCTIONS: Comprised of 100% Merino Wool, the Smartwool Merino Sport 250 Cuffed Beanie is easy to care for! Simply machine wash in cold water on a gentle cycle and dry flat. Do not bleach or tumble dry, but you may cool iron and dry clean this hat as needed.