Areco headband Merin - The functional headband is made from 100% finest merino wool. It offers an incredibly soft and luxurious feel. The natural properties of Merino fiber ensure that you feel comfortable and protected at any time of the year. In winter, the headband keeps your ears and forehead warm and insulates body heat, while in summer it is breathable and effectively wicks away moisture. It protects against wind and UV rays at the same time.