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Cybex Sirona S2 i-Size

Cybex Sirona S2 i-Size

Regular price £239.95
Regular price £289.95 Sale price £239.95
Sale Sold out
Tax included. Shipping calculated at checkout.


The CYBEX Sirona S2 i-Size Car Seat in Deep Black allows you to say goodbye to hassle and back strain at the start of your journey and features a genius one-hand 360-degree rotation mechanism for a fast entry and exit. It’s your new secret weapon for easy and comfortable boarding.

The Sirona S2 i-Size lets your little one sit rear-facing to improve safety in the event of a head-on collision. If you make the switch to forward-facing, Energy Reduction Technology makes the journey safer. The headrest and harness system are designed to reduce the energy of impact forces, so whichever travelling direction you choose you can be rest assured your child is protected.


  • Quick change to a sleeping position
  • Grows with your child up to 4 years old
  • Comfortable travel in the safest positions
  • Divers impact forces away from your child
  • Easier to get your child in + out of the seat
  • Reduces the force of a side-impact collision
  • Quick + easy to get your little one on board
  • Reduces impact forces in the forward-facing position
  • Straightforward installation + anchorage in your vehicle
  • Height-adjustable headrest has 12 settings for a customised fit
  • Integrated L.S.P. System increases safety in the event of a side-impact collision
  • Energy Reduction Technology improves safety performance during front-facing travel
  • 360-degree rotation mechanism takes the back strain out of getting your little one on board
  • Impact forces are transmitted directly into the car seat via the harness system, where they are partially dissipated by energy-absorbing materials


  • UN R129/03
  • Product weight: 13.9kg
  • Compatible with SensorSafe
  • Measurements: L71 x W44 x H68cm
  • 61-105cm (from 45cm with newborn inlay)
  • Max. 18kg; from approx. 3 months up to 4 years (From birth with newborn inlay*)
  • *Newborn inlay sold separately


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Shipping & Returns

Please note: Travel Systems, Prams and bundles can in some cases take up to 14 days for dispatch.

Please check the product description and product options for any further delivery information. 

When your item(s) has been dispatched you will receive a dispatch email with a tracking number.

As we are a Northern Ireland based company there are no customs charges for items delivered to the United Kingdom or Republic of Ireland. 

Delivery is £6.95 for orders under £100.

For orders over £100 delivery is Free.

To learn more about returning an item please click here.

Payment Options

If you would like more information on our pay off option please contact us via email to

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