Cybex Sirona S i-Size
£349.95£464.90 Select options

Cybex Sirona S i-Size



Free UK Delivery for orders over £40

Part of the CYBEX Gold Collection the Sirona S i-Size has an innovative one-hand 360 rotating mechanism meaning no more uncomfortable lifting and back pain when putting your child in and out of the car seat.

Driving direction control (DDC) prevents misuse in turning forward facing before the child is at least 16 months old and 76cm tall and significantly reduces the risk of injury in case of a head- on collision.
With its Energy Reduction Technology the Sirona S i-Size provides increased safety for your child in the forward facing position, due to activation as the forces reach their full impact in a head on collision, the headrest slides down, progressively limiting the neck’s exposure to the impact forces, and subsequently locks into position.
Properties: UN 129/02 i-Size
Height: 45cm – 105cm
Weight: max 18kg
Age: From birth up to approx 4 years
Weight of Seat: 15kg
Maintenance: Fabric covers machine washable at 30 degrees.


CYBEX offers peace of mind for you and safety for your child.
SensorSafe sends alerts via Bluetooth on your smartphone through a user-friendly app, fusing smart technology and smart design, the SensorSafe Clip attaches to the harness system and is available for several CYBEX Platinum and Gold i-Size car seats.
Providing essential alerts to help prevent critical situations such as when your child unbuckles the clip, if they are put at risk of vehicular heatstroke because of ambient temperature changes or being left in the car alone or if they are seated for too long.
Not sure what ISOfix is?….CLICK HERE to see our video.


Please remember: Not all car seats fit all cars and if you are unsure if this car seat will fit your car we would recommend that you come in to store and have a professional car seat fitting. Our fitting team consists of four IOSH accredited car seat fitters this being the standard that Road Safety Officers aim to attain.

Additional information


Granite Black, Navy Blue, Magnolia Pink, Soho Grey, Deep Black, Autumn Gold, River Blue, Classic Beige, SensorSafe Granite Black, SensorSafe Navy Blue, SensorSafe Magnolia Pink, SensorSafe Soho Grey, SensorSafe Deep Black, SensorSafe Autumn Gold, SensorSafe River Blue, SensorSafe Classic Beige


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