Cybex Sirona S i-Size 360° Car Seat - COMFORT Sepia Black

The Cybex Sirona S i-Size 360° car seat offers premium safety and comfort for your child from 3 months through to 4.5 years old. Engineered with rear-facing technology that provides up to 50% better protection during frontal impacts, combined with Linear Side-Impact Protection for 25% enhanced side-impact safety, this seat prioritises your little one's wellbeing on every journey. The intuitive one-handed 360° rotation makes getting your child in and out effortless, whilst the rigid crotch pad and magnetic belt holders ensure a calm, straightforward experience for both parent and baby.

Safety Features

• Rear-facing design suitable until 4.5 years, providing superior crash protection
• Up to 50% better protection compared to forward-facing positions during frontal impacts
• Advanced Linear Side-Impact Protection system reduces impact forces by up to 25%
• Energy-absorbing shell that distributes impact forces effectively
• Three-tier safety system protecting your child from multiple impact scenarios
• Complies with UN R129/04 safety standards
• Tested and screened for harmful substances including heavy metals, phthalates, and flame retardants

Growing With Your Child

The Cybex GrowTech system is specifically designed to adapt as your child develops. The seat accommodates children from approximately 3 months up to 4.5 years (height 61-105cm, maximum weight 20kg). For newborns measuring 40-60cm, the optional newborn inlay (sold separately) provides essential head and body support from birth. The included comfort inlay offers cushioning and support for smaller children until they reach 85cm in height. An adjustable headrest, M-position seating, and 40% extended recline range in both rear-facing and forward-facing positions ensure ergonomic comfort throughout every stage.

Comfort and Convenience

• 360° rotation with one-handed operation for ergonomic parent loading
• Magnetic belt holders keep harness straps neatly secured during entry and exit
• Optimal breathability with all-round air ventilation
• Innovative mesh technology increases airflow up to 6 times compared to conventional materials
• XXL UPF50+ sun canopy with breathable mesh window for protection and comfort
• Easily detachable canopy for seasonal flexibility
• AGR-certified for enhanced ergonomic support

Specifications

• Product dimensions: L 56cm / W 45cm / H 55cm
• Product weight: 7.3kg
• Suitable age: Approximately 3 months to 4.5 years 
• Child height range: 61-105cm (40-60cm with newborn inlay)
• Maximum child weight: 20kg
• Safety standard: UN R129/04
• Packaging dimensions: 74.5cm (L) x 47.5cm (W) x 42cm (H)
• Packaging weight: 10.8kg gross / 7.5kg net

Health and Wellbeing

Every Cybex product is rigorously tested by internal laboratories and screened for harmful substances that could affect your child's health. All testing exceeds regulatory standards across the markets we serve. The seat's optimal breathability system helps regulate temperature year-round, keeping your child cool and comfortable during travel. For added peace of mind, the compatible SensorSafe child-in-car alert system monitors your vehicle's interior and sends smartphone notifications to alert you if your child remains in the car.