Apparel is the term used to describe pieces of material that are crafted to be worn on the body. Apparel items include (but are not limited to): Tops, Bottoms, Skirts, Shorts, Sweaters, and Swimsuits.
About Skirts:
Skirts are a piece of material that surrounds the body, which extends from the waist to some length on the legs. Skirts cover the legs without material between the legs.