Port Authority C-FREE Recycled Beanie C88050% recycled polyester/50% acrylic,A C-FREE ProductWe start by reducing the product's impact by switching to at least 50% preferred materials. We then neutralize the total carbon footprint of each product in the C-FREE program-from the product's initial raw materials to its end-of-life-through Carbonfree certification. This certification purchases third-party, verified carbon offsets through Carbonfund.