Our comfortable beanie in a double layer of 100% soft Merino wool helps keep your head warm on cold days. Our comfortable beanie in a double layer of 100% soft Merino wool helps keep your head warm on cold days. Merino Beanie is easy to pack and perfect for all kinds of activities. Merino wool’s fibers insulate well, regulate warmth, don’t smell and work best during activities of varying intensities. Mulesing free 18.5 micron count Merino Wool. Soft hand and next to skin comfort.