1. Silk scarves are great for formal outfits or eveningwear.
2. He was a big proponent of black eveningwear and so people also wore black shoes.
3. Black Tie and White Tie are the two categories of men's formal eveningwear traditionally designed to be worn in the evening, which is to say, after six o'clock or after sundown whichever comes first.
4. Initially, there was daywear and eveningwear.