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Cybex Sirona S SensorSafe™ 360° Swivel Convertible Car Seat

$549.95 $449.95
Premium Black
Urban Black
Moon Black - FR Free
Manhattan Grey
Indigo Blue

The CYBEX Sirona S is the first Convertible Car Seat in the U.S. to feature an innovative 360° rotatable seat with a load leg, making switching between rear-facing and forward-facing positions quick and easy. The Sirona S load leg stabilizes the seat and can significantly reduce crash forces. These features, combined with an EasyLock™ bar for quick, simple and secure installation, offer advanced safety protection for children — and greater peace of mind for parents.


  • NEW Moon Black features FIRE RETARDANT CHEMICAL FREE FABRIC: Passes federal safety standards without the use of added fire-retardant chemicals
  • Only Convertible Car Seat in North America with a one-time vehicle belt installation for both rear-facing and forward-facing mode.
  • Innovative, one-hand 360° rotatable seat allows parents to easily get their child in and out.
  • Load leg stabilizes the car seat and can reduce rotation in certain crashes by up to 30%.
  • Smart-tech harness chest clip with SensorSafe technology alerts parents if their child becomes unbuckled, the car temp gets too warm or unsafe conditions arise
  • EasyLock™ bar reduces force needed up to 4x for quick, simple and secure installation.
  • Anti-rebound design reduces car seat rebound movement
  • 12-position recline adjustment even while seat is in use
  • 12-position, height-adjustable headrest with no-rethread harness
  • Innovative one-pull LATCH removal system
  • Magnetic buckle holders make entry and exit from the seat a breeze!
  • Rear facing 4-50 lbs
  • Forward facing 22-65lbs

 Order Now and Get Pump Station Perks:

  • Free Virtual Consult or Santa Monica Store Car Seat Installation or Gear Assembly 
  • Product Education & Registration
  • Contact-less Curb-Side Pick-Up

For local installation/build-out choose "Local Pickup" at checkout, and we'll call you upon product arrival to confirm your appointment. 

SPECIAL ORDERS: Take 2-4 weeks unless noted. All Special Order Sales Are Final. All orders may ship directly from Manufacturer without notice .