"Rollover hoops" refer to the structural bars positioned behind the seats of a vehicle, designed to protect occupants in the event of a rollover accident. Full definition
However, the single - seater concept has been transformed into a two - seater, with rollover hoops for both driver and passenger now integrated into the design. (ausmotive.com)
Convertible cars also feature mandatory pop - up rollover hoops. (drivemag.com)
It's expected to have a removable roof panel, much like an old - skool 911 Targa, with carbon fibre rollover hoops behind the seats. (ausmotive.com)