Here are the five main fabric groups and some examples of fibres within them: Natural fibres: Cotton, hemp, linen, jute and more. Animal-based fibres: Cow (leather), sheep, rabbits and camel fur and skin. Cellulosic: Viscose, modal, lyocell and more. Semi-synthetic: Triacetate, acetate and rayon. Synthetic: Nylon, polyester, acrylic and more.