Flannel is a soft light woolen fabric with a slightly raised nap on one side. It is usually made from carded wool or WORSTED yarn, and is often used to make clothing such as shirts and pyjamas. WORSTED is a type of yarn made from long-staple fibers that have been combed to remove short fibers and create a smooth texture. It is often used to make suits, coats, and other tailored garments. Serge is a twill-weave fabric with a smooth, even surface. It is usually made from wool, cotton, or synthetic fibers, and is often used for uniforms and other durable garments. Tweed is a rough, thick woolen fabric with a distinctive pattern of small colored flecks. It is often used to make jackets, coats, and other outdoor wear. Loden is a heavy, water-resistant woolen fabric with a smooth, oily finish. It is traditionally used to make coats and other garments for cold weather.