SmartWool Unisex Thermal Merino Reversible Headband. I have more merino wool products, bundle to save!! The SmartWool Thermal Merino Reversible Headband is streamlined, straightforward, and indispensable when the wind means business. It features a double-layer reversible knit so you can go again tomorrow with a whole new look. Merino 250 is a heavier, soft, 100% Merino wool fabric offers breathable warmth, moves sweat away from the body, and provides next-to-skin comfort in colder conditions. Features 100% Merino wool fabric made with interlocking knit for enhanced comfort, breathability, thermoregulation, and odor resistance Double-layered for maximum warmth Reversible Cleanly finished seams for a bulk-free fit 100% Merino Wool. Exclusive of Decoration