Stay warm without the bulk with the Smartwool Thermal Merino Colorblock Headband. Made from Merino wool, this headband offers excellent comfort, breathability, and thermoregulation, keeping you cozy during cold-weather adventures. The double-layer construction ensures maximum warmth, while the cleanly finished seams provide a snug, bulk-free fit. Whether you're hitting the trails or just out for a walk, this headband keeps you warm and comfortable while resisting odors. It's a beneficial blend of performance and style for any winter activity.