The film, which stars Ali MacGraw as Jennifer and Ryan O'Neal as Oliver, tells the story of a rich boy who falls in love with a working-class girl.
It was brought to the country by the French and became so popular, even a working-class Japanese woman invests in fine lingerie.
Cayce had an eighth-grade education, something that was not unusual for a young man from a working-class family at the time.
Carl was born into a working-class Jewish family in New York in 1934.
That is, middle and even working-class women could look stylish without a big expenditure, so whereas movements towards more practicality and simplicity in clothes had been underway in the 1910s, they came to fruition in this period.