Dose - The first sports bra was made of 2 jockstraps sewn together. Seriously.

The Material Culture of the Sports Bra: Supporting Innovation and Femininity in Athletics — Coalition of Master's Scholars on Material Culture

As the Women's World Cup gets underway, a look at the history of the sports bra

How the First Sports Bra Got Its Stabilizing Start, At the Smithsonian

The Mostly Untold Story Of How The Sports Bra Conquered The World And Tore Its Inventors Apart

The Mostly Untold Story Of How The Sports Bra Conquered The World And Tore Its Inventors Apart

The History of Sports Bras - Racked

History of the Sports Bra - Sports Bras Direct

History of the Sports Bra - Sports Bras Direct

How two jockstraps sewn together changed women's lives for ever