Merino Heavyweight Beanie - Solid Black. Comfortable and warm hat made of natural fibers. 100% merino wool hat designed for protection in extreme cold conditions during low-medium intensity outdoor activities such as trekking, hiking and climbing. Winter hat designed with advanced insulation properties. Comfortable hat made of natural fibers. 100% merino wool hat designed for protection in extreme cold conditions during low-medium intensity outdoor activities such as trekking, hiking and climbing. Design: Regular, Solid.