Britax Advansafix i-size
Britax Advansafix i-size
Britax Advansafix i-size
Britax Advansafix i-size
Britax Advansafix i-size
Britax Advansafix i-size
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Britax Advansafix i-size

Regular price
£279.00
Sale price
£279.00
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What sets this seat apart is the inclusion of the super-safe Side Impact Protection (SIP) - so you know that in the event of a side-on collision, your little one has the ultimate protection from harm. For use from 76-150cm (approx. 15 months to 12 years). This seat has many features to help make yours and your little one's journey that much safer. We always recommend rear facing for a minimum of 4 years, but when this isn't an option the Advansafix is a good choice.

  • Harnesses to 21kg or 102 cms, whichever is reached first.
  • Tether straps for an ultra-secure fit
  • Machine washable cover for practicality
  • Height adjustable headrest to grow with your child
  • Longer lasting safety, great value for money

All about the Britax Advansafix i-size

Installing the ADVANSAFIX i-Size is super easy. In its first stage, you use the patented Pivot Link ISOFIX arms to connect to the ISOFIX points in your vehicle and a V-shaped top tether strap to stop the seat rotation and reduce the forward momentum in the event of a collision. The twin anchorage points offer superb stability- more than a regular top tether system, and the stitching in the tether is designed to progressively rip, slowly and controlled after an impact, absorbing some more of the force. When your little one grows, you can easily switch to the high back booster mode. From 100cm you can use the FLIP&GROW function to change the integrated harness that holds your child in place for the vehicles 3-point belt which will hold them safely instead. It's very simple to do and can be converted back to harness mode at any time too. When in this setup, you can attach the seat in your vehicle by the ISOFIX arms or by the vehicles 3-point belt. The 21g limit harness means you don't have to rush up to hbb mode too quickly. 

Britax Römer designs, builds and crash-tests their seats in-house. This allows them to go above and beyond the required safety requirements. So when they say a seat is safe, it's SAFE. The ADVANSAFIX i-Size is no exception, the V-shaped headrest helps to control the movement of your little one's head to ensure great protection in a crash. The ADVANSAFIX i-Size features a SecureGuard lap belt positioner helps to protect your child's abdomen, providing a 4th contact point for the 3-point belt to be held in the optimal position across the pelvic bones. Doesn't sound like much, but you can be assured, this makes a big difference- up to a whopping 35% of forces are reduced in the event of a frontal collision, and it also lets your child move more freely as they travel. Belt guides in the headrest and around the hips ensure correct positioning and a strong seat shell protects from head to hips.

Let's talk about comfort. Well, we've mentioned the headrest, but what we haven't said so far is that it can be easily adjusted- but it can! Adjust the headrest as your little one grows and the harness auto-adjusts with it. The harness has soft, neoprene performance chest pads to help reduce movement in a collision but are comfy and easily removable for washing at the same time. The seat cover can also be removed for machine washing- because, for a seat that lasts this long, you'll want to give it a clean every now and again! Luckily, you don't have to unthread the harness to remove the cover, another clever feature from Britax Romer.

Suitable from 76 – 150cm (approx. 15 months to 12 years)
Forward-facing ONLY
R129 compliant
ISOFIX and belted installation
Top tether