Crimplene is a synthetic material made from polyester yarn and is quite common in clothing items used during the 1960s and 70s. There are various synonyms for crimplene, such as polyester, nylon, acrylic, and rayon. These fabrics share similar properties, including durability, wrinkle resistance, and ease of care. Polyester is widely used in clothing, and it is known for its strength and resistance to shrinkage and wrinkles. Nylon is known for its toughness and moisture-wicking properties. Acrylic is soft and lightweight, while rayon is a natural fabric made from cellulose fibers and is known for its breathability and draping qualities. All of these fabrics are excellent alternatives to crimplene.