Topic summary
Lounge suits
Extracted from the Wikipedia article Suit.
Fabric
In the United States and the United Kingdom, around the start of the 20th century, lounge suits were never traditionally worn in plain black, this colour instead being reserved for formal wear (including dinner jackets or strollers) and for mourning. However, the decline of formal wear since the 1950s and the rise of casual wear in 1960s allowed the black suit to return to fashion, as many designers began wanting to move away from the business suit toward more fashion-forward suits.