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i-Size logo R129 and i-Size certified
Padlock icon easy seat belt install
Icon of 4 small circles connected within a larger circle 4 seats in one
product details


  • Meets the highest ECE R129/03 safety standard, including side-impact testing
  • Meets i-Size certification in forward-facing belted booster mode
  • Tri-Protect™ headrest has three layers of foam including patented Intelli-Fit™ memory foam for optimal side impact protection
  • Guard Surround Safety™ pod provides extra side impact protection and can be individually activated for extra room in the vehicle
  • Reinforced steel inner seat shell increases structural integrity
  • 5-point harness with soft, padded covers keeps your child cosy and secure by protecting the strongest points of their body



  • Grow-with-me infant body and head supports create a customisable fit to ensure your child properly fits in the harness and headrest.
  • 6 recline positions: 2 rear-facing and 4 forward-facing for cosy tilt options at every age
  • Plush cushioning and side ventilation keep your child cosy and cool



  • Grow Together™ multi-height headrest and harness system adjust simultaneously and require no re-threading of the harness
  • AutoAdjust™ side wings widen as the headrest is raised to accommodate growing children
  • Custom Harness Hideaway compartments store the 5-point harness when using the seat forward-facing as a belted booster
  • One pull motion easily tightens the 5 point harness - no hassle necessary
  • Side, mesh storage pockets hold toys, drinks, or snacks



  • Used rear-facing from 40 cm-105 cm (birth to approx. 4 years) with the 5-point harness
  • Used forward-facing from to 100 cm-145 cm / ≤ 36kg ( approx. 3-12 years) with the vehicle seat belt
  • Well-marked, colour-coded (green) installation paths and dual lock-offs for installing with the vehicle's 3-point seat belt

Product Weight: 8.7kg

Product Size: l 52.7-54 x w 46-48.2 x h 61-86.8 cm

Testing Certification: ECE R129/03

how to & support
2 black Joie Every Stage R129 car seats side by side with an orange arrow pointing from left to right. The lefthand seat has headrest down and 5-point harness, and the righthand seat has headrest raised and no harness.

one seat for any age

Buy one seat and watch it adapt as many times as you need as your little ones become big ones on the backseat.

Closeup on the headrest area of a black Joie Every Stage R129 car seat.

ultimate security

Our Tri-Protect™ headrest has three layers of foam including patented Intelli-Fit™ memory foam, and pairs with Guard Surround Safety™ side wings for wraparound protection.

Closeup on the headrest area of a black Joie Every Stage R129 car seat with three orange arrows indicating growth up and out.

grow along

As the headrest raises to accommodate your growing little one, the AutoAdjust™ side wings automatically widen to allow more shoulder space.


tangle-free ins and outs

Integrated storage compartments conveniently tuck the harness away when you’re ready for booster mode.

no such thing as too safe

Your baby gear should work hard for you every single day. That’s why we push our products to the extreme during testing: We want to make sure they’re up for any challenge you may face. 

super strength materials 

We use only high-quality materials in creating your gear: like aero-grade aluminium, super-strength steel and undiluted plastics.