Avia Tennis or Golf Skirt with attached undershorts, Size M

Well-made, like new, slimming, black Avia tennis or golf skirt, attached undershorts, Size medium but fits more like a medium/large, left-side invisible zipper, right-side slash pocket. Measurements: Length: 15" Waist: 17" (meant to sit an inch below waist line for a smooth fit Care: Machine wash, cold, hang to dry.