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The very first prototype was born from a clever, DIY experiment: they . This "jock bra" provided the necessary compression and support that allowed women to run comfortably, eventually being rebranded as the "Jogbra". A Cultural & Athletic Shift

Today, creating a sports bra has evolved from "jockstrap hacking" to high-tech manufacturing and DIY culture: sportsbra.mov

This invention didn't just solve a physical problem; it helped launch a global industry and removed a major barrier for women in sports. The very first prototype was born from a

: The original jockstrap prototypes are now preserved in the Smithsonian National Museum of American History . Modern Evolution sportsbra.mov