Why wear them when you can go bare?
Denier (dtex) measures the density of the fiber. It ranges from very sheer (as low as 3–10 denier) to standard sheer (10–20 denier), up to opaque (30+ denier). panty hosiery
This innovation coincided with the explosion of synthetic fabrics like nylon and spandex. By the 1970s, panty hosiery had become a wardrobe essential for the modern working woman, offering convenience and a polished look that previous undergarments could not match. Why wear them when you can go bare