Wear the Smartwool Thermal Merino Colorblock Headband to keep your ears warm no matter where your winter adventures take you. For the perfect mix of comfort and performance, this headband has a streamlined fit and is double-layered for maximum warmth. Its 100% Merino wool construction is perfect for sweat management and breathability for long days and hard efforts outdoors. Details: 100% Merino wool fabric made with interlocking knit for enhanced comfort, breathability, thermoregulation and odor resistance Double-layered for maximum warmthCleanly finished seams for bulk-free fit