Natural yarns of plant or vegetable fibers come from the stem of (Flax, hemp, jute, and ramie) or from the seed of (cotton and Kapok) and from the leaves of (sisal or abaca). these various raw materials are used to create Linen, Cotton. etc.

Natural yarns of Animal fibers using raw materials from animal hair of the sheep (wool, cashmere, mohair, vicuna) There are many variety of animal fibers. Silk is considered an animal fiber, although it comes from the cocoon of a silk worm.

Artificial yarns of natural by products using tree farming technicques to grow and regenerate these by-products. The wood pulp or leaves are process artificially to create these types of yarns.

Synthetic yarns are man made are originally procuced in filament form and they may remain as filament yarns or may go for further processing thus creating new and interesting new man made yarns.