Yarn is a kind of textile, which is processed into products of a certain fineness with various textile fibers. It is used for weaving, rope making, thread making, knitting and embroidery, etc. It is divided into short fiber yarn, continuous filament, etc.
There are many ways to express the fineness of yarn, such as number, metric count, imperial count, denier, etc. (see count). Yarn twist is expressed in turns per meter or inch.
Wool yarns and yarns are generally used to weave wool sweaters, wool pants, wool vests, scarves, hats and gloves and to weave various spring and autumn clothing items.