1914 – Mary Phelps Jacob made the first bra because her breasts couldn’t fit in a corset. 1935 – Men’s briefs were invented. 1977 – The first sports bra was made from men’s underwear. So, they made the first sports bra from men’s underwear in just a few hours. Carrie Fisher never wore underwear while filming Star Wars because George Lucas convinced her there was no underwear in outer space.