Below, see the evolution of flight-attendant uniforms at some of today's biggest airlines. In the 1950s, flight attendants for American Airlines wore crisp navy-blue blazers and skirts.

The most traditional blazer is the navy blue double-breasted version with ... the buttons on the sleeves are part of an effort to keep military uniforms clean. Uniform jackets had buttons on ...

An oversize blazer (like this one from Tuckernuck, $298) over a dress (say, this one from Old Navy, $50). Note: In the carousel above, you’ll have to swipe to see, but Sophie—who is spending ...