Fibre from Latin: Fibra. Fibre is a long, thin strand or thread of material. Fabric is a cloth material made by weaving or knitting threads together. More than half of the fibres produced are natural fibres. Natural fibres include cotton, hair, fur, silk, and wool. Importance topics covered in fibre to Fabric are: Fibres, Types of fibres, Silk, Wool, Sources of wool and How to process wool fibre?