Nuna ARRA Flex

For those busy days and long journeys, ARRA flex infant car seat provides a smooth transition from crib to carrier. Its three recline positions, including a relaxed 157° recline position, allow baby to lie comfortably whether secured to the BASE next, installed using the vehicle belt or attached to a pushchair.

The lightweight ARRA flex is i-Size approved and offers innovative safety features along with ergonomic advantages that provide you and baby with the ultimate freedom for every journey.

Use

• Side and rear belt guides for vehicle belt path installation
• Three recline positions in both car seat and travel system modes
• Converts to a flat reclining seat—157° angle—usable in the vehicle or on a pushchair
• Travel system ready using post adaptors with compatible pushchairs
• NEXT system compatible
  The NEXT system offers ultimate flexibility with a variety of solutions for the first 4 years 
• Compatible with the Base curv

Safety

• EPP energy-absorbing foam takes side impact security to the next level
• i-Size certified and meets the highest R129 safety standards that include side impact testing for your peace of mind
• Headrest’s patented Tailor tech™ memory foam provides added security for a comfortable custom fit that grows with baby

When used with BASE next (sold separately)

• 5-second True lock™ BASE next installation makes set up swift, simple, and secure, using vehicle’s ISOFIX anchor points
• Crumple zone within the stability leg of BASE next absorbs impact and minimizes force to baby
• Coloured indicators on BASE next confirm proper installation so there's no second-guessing

Comfort

• Removable newborn insert provides customisable comfort
• 1-handed height-adjustable headrest sports 10 positions to accommodate growth
• The 157° recline keeps baby's head, spine, and hips in an ideal position for healthy development, making it exempt from the 2-hour limit usage recommendation
• No-rethread 3-point harness lets them grow easily and securely

Premium Details

• Luxe leatherette carry handle for more secure gripping
• Conveniently lightweight weighing in at 3.9* kg (not including canopy and insert)
• Removable, full coverage UPF 50+ canopy with flip-out eyeshade and mesh peek-a-boo window
• Insert is made of environmentally friendly Merino wool and TENCEL™* branded lyocell fiber blend that is soft, naturally controls moisture, and is environmentally friendly
  *TENCEL™ is a trademark of Lenzing AG
• Heavy duty top-of-the-line plastic shell keeps little ones in place
• High-strength handle transfers a large portion of the crash forces into the shell and protects baby's particularly sensitive head area

Awards and Certifications

• iF Design Award - Top Design Winner 2025
• European Product Design Award - Top Design Winner 2024
• Red Dot Product Design Winner

Product specifications