An awesomely warm beanie, the Link™ hat from Seirus® is not only stylish, it’s also bolstered by the heat-return technology of Heatwave™. The revolutionary dual heating system found in the Seirus® exclusive Heatwave™ lining reflects and amplifies your body’s heat to produce that warm cozy feeling we all look for in a winter hat. Therefore, there is no need to sacrifice style for warmth. Featuring: 30% wool and 70% acrylic.