The name is said to have originated in the French serge de NÃ®mes. Denim is yarn-dyed and mill-finished and is usually all-cotton, although considerable quantities are of a cotton–synthetic fibre mixture.
Jeans are basic 5 pocket pants or trousers made from denim. Denim is an indigo-
Before we transform a pair of jeans into insulation, let's figure out how denim is made.. These fibers are where T-shirts, briefs and jeans begin their lives.