Tweed is a rough, woolen fabric that is often used to make suits. Serge is a TWILL-weave fabric with a smooth finish that is also commonly used for suits. GABARDINE is a tightly woven fabric with a slight sheen that is often used for suits. TWILL is a type of fabric weave that has diagonal lines and is often used for suits. WOOL is a natural fiber that is often used to make suits. TORT is a lightweight WOOL fabric that is often used for suits. LIBEL is a lightweight WOOL fabric with a soft texture that is often used for suits. LINEN is a natural fiber made from flax that is sometimes used for suits. Dacron is a synthetic fiber that is often used for suits. WORSTED is a type of yarn made from WOOL that is often used for suits. Polyester is a synthetic fiber that is often used for suits. SEERSUCKER is a lightweight fabric with a wrinkled texture that is sometimes used for suits.