The young flappers, bobbing their hair and binding their busts

 The handkerchief bra was created by a socialite

I am not sure why, but it seems that for the 1920s-1940s most corsets and girdles were shades of peach or pink. If you know why I would love to know.

Mae west kept corset going

1935 Warner’s develops cup sizes in bras

Mid - late 1930s zippers start to appear in corsets

1938 Nylon developed and underwire developed

WWII puts nylon and rubber on hold for the war

1943 Howard Hughes designed bra for Jane Russell in The Outlaw

1947 corseting is revived in Dior’s new Look and with the release of the film "The Merry Widow" with Lana Turner

1950’s the bigger the better, bullet bras with circular stitching, Marilyn Monroe

1960’s brings the elastic strap and flexible underwire

Then came LYCRA in the 1970's