Calvin Klein, for example, is an evergreen brand that’s been making summer staples for decades since its founding in 1968.

Movie-going teens in 1985 catching the summer blockbuster Back to the Future walked out of theaters sure of two things: the possibility of time travel and the coolness of Calvin Klein underwear.

a classic black sheath dress, a structured black suit and more power pieces that emphasize Calvin Klein's place in American fashion. Never miss a story — sign up for PEOPLE's free daily ...