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From Birth to Big Kid

Cosatto’s new car seat the Acorn All Stages i-Size 360 joins the Cosatto crew!

June 12, 2025

Buckle up, parents – Cosatto’s latest launch is here to change the car seat game. Having launched in May 2025, the brand-new Acorn All Stages i-Size 360 car seat is here to make family travel easier, safer, and more stylish than ever before.

Part of Cosatto’s next-generation family rotating car seat range, the Acorn All Stages i-Size 360 is compatible with the Acorn 2 Rotating Family Base (sold separately), to make travelling with little ones safe, easy, and convenient for both children and parents. With its clever design, unbeatable safety features, and ultimate convenience, the Acorn All Stages i-Size 360 is the car seat that’s ready for every family adventure, now and for years to come. Designed to support your little one from their very first ride home to the school run years later, this clever car seat grows with your child from newborn (40cm) all the way to age 12 (150cm) – it’s a true long-term travel companion.

Why Acorn All Stages i-Size 360 Car Seat?

  • Complies with R129/04 safety standard
  • Tested in line with ADAC levels of testing
  • Suitable from birth (40cm) - 12 years (150cm)
  • Fitted with premium SIPS (Side Impact Protection System) plus impact-absorbing foam
  • Anti-rebound bar
  • ISOFIX Installation
  • Rearward facing until 105cm
  • Includes exclusive, patented 5-point plus anti-escape system
  • Adjustable 12-position head restraint
  • Both reward and forward-facing modes
  • Harness mode is tested to a weight of 20KG
  • Serious safety standards…

    Because nothing matters more than safety, Cosatto has gone above and beyond with the Acorn All Stages i-Size 360. It’s built to the latest R129/04 standard and tested in line with ADAC, giving parents extra peace of mind every time they hit the road. Designed with real families in mind, it comes with a from-birth multi-stage insert for a snug and supportive fit, anti-slip, energy-absorbing chest and tummy pads, and a premium Side Impact Protection System (SIPS) to cushion your little one from all angles.

    Growing, rotating, and reclining.

    With 12 positions to adjust the headrest, plus the smooth transition into a high-back booster seat, the Acorn All Stages i-Size 360 is all about keeping things simple, safe, and stylish. For ultimate ease, it rotates 360° in all modes – yes, that includes booster seat mode – so getting your little one in and out of the car has never been easier. It also offers four comfy recline positions, whether rear-facing (40cm–105cm) or forward-facing (76cm–105cm), and the cover is machine-washable, so it can easily be cleaned after a long day of travelling.

    Style that turns heads.

    It wouldn’t be Cosatto without a splash of colour, fun, and pattern. The Acorn All Stages i-Size 360 comes in a choice of four striking prints – Foxford Hall, Meadow, Silhouette, and Whisper – so there’s a perfect match for every family’s vibe. Functional, fashionable, and seriously safe – this is the car seat that does it all.

    This fantastic car seat requires the Acorn 2 Rotating Family Base in order to be used, which is sold separately. You can easily find this at Cosatto.

    All information we provide is for educational and awareness purposes only.  Any concerns should be discussed with your GP, Midwife or Healthcare Professional.

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    Photobook: Luthier. Beeches Lane by &Something

    When choosing a supplement to support your fertility journey, look for science-backed, high-quality ingredients. Our editors are careful to select and partner with brands that use ingredients that have been clinically studied to support fertility. Eu Natural® (pronounced you) covers all those bases and more. We love knowing that Eu Natural® products contain zero artificial additives, binders, or fillers and are lab-tested to ensure purity and potency.