Every ugly sweater can become a beautiful pair of warm mittens. These unique wool mittens are sewn from recycled wool sweaters. before construction each sweater is washed in hot water resulting in felting ,a process that shrinks the sweaters, interlocks the fibers and results in a thick and dense material. Wool has amazing properties, just ask a sheep. Wool is wind and water resistant, durable and warm. Hand wash in cold and air dry.