Microfiber
Microfiber (US English) or microfibre (UK English) is a synthetic fiber made of threads finer than one denier or one detex with a diameter of less than ten micrometers. The most common types of microfiber cloth are made of polyesters, polyamides (e.g., nylon, Kevlar, Nomex), and combinations of polyester, polyamide, and polypropylene.