Answer (1 of 7): Thigh length to not quite knee length bike shorts, pantyhose, leggings/tights (better in colder weather than hotter weather) might work. A slip or half slip adds at least one more layer of fabric if the dress or skirt fabric is lightweight or the weather is cool.
How to dress: Below-the-knee skirts and dresses, Fashion
Fall-ify Your Wardrobe: How To Wear Your Summer Pieces Into The Fall — The Wardrobe Consultant
I have a completely see-through lace bodysuit. How do I wear it in
What type of underwear should people wear under a lace dress? - Quora
What style advice would you give to someone who isn't comfortable with wearing dresses? - Quora
5 Dos and Don'ts: How to Accessorize Your Black Dress for a Formal Event - Dressarte Paris
Do you wear compression shorts as an outer layer, or do you wear
What to Wear Under Dresses, Skirts, Shorts in Summer - A Well Styled Life®
What can I wear under a knee-length dress if I am not comfortable with an underwear only? - Quora
Formal wear - Wikipedia
Here's what to wear under a see through dress