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Maxi Cosi Onyx Seat i-Size in full graphite, featuring padded headrest, harness, and side impact protection.

Maxi Cosi Onyx i-Size Car Seat - Full Graphite

by MAXI COSI

£159.95from 3 retailers

The Maxi Cosi Onyx i-Size Car Seat in Full Graphite offers superior safety and comfort for children 76-150 cm. With multiple recline positions and advanced G-CELL technology, it's the perfect choice for your little one's travels.

GTIN08712930013907
EAN8712930013907
MPN8156122110
Prices updated 24 Jun 2026

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Product Description

Maxi Cosi Onyx provides your growing child (76 - 150 cm) with the very best protection whenever you’re on the road. With integrated G-CELL panels and a 5-point safety harness, they’re fully protected in the event of forward as well as side collisions. And thanks to its five comfortable recline positions, your little one has the cosiest seat in the car every time you hit the road. Multiple recline positions With five recline positions, your child will always be comfortable on the go, whether they’re sitting window-gazing or laid back and sleeping. G-CELL Side Impact Technology The integrated technology provides your child with unrivalled safety, spreading the impact and reducing injuries in the event of a side collision. 5-point safety harness The best child restraint for maximum protection in the event of forward collisions. Features: Safety Integrated ISOFIX connectors ensure your car seat base is safely locked into your car Meets the highest and latest i-Size safety standards (R129/03), offering maximum safety for your child Integrated technology to provide your child with unrivalled safety, spreading the impact and reducing injuries in the event of a side collision 5-point safety harness for maximum protection in the event of forward collisions Onyx features a memory foam headrest for added safety and enhanced protection in the event of accidents Ease of use With ten adjustable headrest height positions and a fully adjustable harness, it’s easy to ensure the comfort and safety of your little one as they grow With no bulky armrests to get in the way, buckling up is quick and hassle-free. So easy, independent children can buckle-up themselves Does your car seat cover need a bit of freshening up? Wipe it down with a damp cloth, or put it in the washing machine up to 30°c Comfort With five recline positions, your child will always be comfortable on the go, whether they’re sitting up window-gazing or laid back and sleeping Compatible with our premium, non-dyed car seat cover made of breathable organic cotton, that absorbs moisture quicker and provides an added layer of cushioning. General Onyx is designed to grow with your child, offering lasting functionality from 15 months up to 12 years old (76 – 150 cm) Forward-facing car seat, letting you easily interact with your child Made with 100% recycled fabric by re-using plastic bottles, because we’re committed to designing sustainable products that offer comfort to your child Specification: Dimensions: D52.3 x W44.4 x H62-80.2 cm Weight: 11 kg | Maxi Cosi Onyx Seat i-Size - Full Graphite

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