All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. It was the T-shirt ...

Bluesky's CEO took the stage at SXSW this week, but her message wasn't just in what she said. It was also in what she wore. Jay Graber wore a black T-shirt that read "Mundus sine caesaribus ...

This shirt is my Roman Empire. SEE ALSO: Bluesky CEO: imagine a 'world without Caesars' As of Thursday afternoon, Graber's shirt is now available for purchase for $40 in sizes small through XL at ...