A basic wig cap (also called capless, wefted, or open-cap) is a machine-made wig cap that is made by sewing “wefts,” or curtains of hair, onto a strip of thin, elastic material. The wefts are disguised with a technique called “permatease” to hide them from view at the part area. Capless wigs are typically fitted with elastic adjustment straps that go behind your ears so that the wig will comfortably fit onto your head all day long until you're ready to take it off.

Capless wigs are more popular than cap wigs as they are ready-to-wear and . Capless wigs are made by weaving human or artificial hair into , which are long strips of hair with a threaded edge.