The proof is on the runways, where last spring designers (Marc Jacobs, Balmain and Etro, to name a few) translated 70s vintage style elements into a modern fashion language to create ready-to-wear caftans, flared denim trousers, sheer maxi dresses, floppy hats and more
Start with a high-waist pleated midi skirt in a soft tone like champagne, blush, or dusty blue, then tuck in a long-sleeve or three-quarter-sleeve blouse with a pussy-bow neckline or subtle ruffle detail
Semi formal can have the same guidelines but because of the word "formal", assume that they don't want jeans, t-shirts or sockless footwear
Its lightweight and soft against the body, but in handling it before and after wash, I could tell it was the good stuff
Slip dress lining