Serge is a type of twill fabric that has diagonal lines or ridges on both inner and outer surfaces via a two-up, two-down weave."serge", AccessScience, McGraw-Hill Global Education Holdings The worsted variety is used in making military uniforms, suits, greatcoats, and trench coats. Its counterpart, silk serge, is used for linings. French serge is a softer, finer variety. The word is also used for a high-quality woven woolen fabric."
