Explore the exceptional Nuna Chestnut Arra Flex Car Seat, designed meticulously to usher your little one from infant to toddler (birth to about 24 months) with unmatched safety and comfort. This car seat is ingeniously compatible with the NEXT system, providing a variety of installation options including the revolutionary 360° rotation BASE curv with ProxiPivot™ technology and the BASE next, both incorporating ISOFIX and load leg for quick and secure attachment or the ability to install securely using your vehicle's seat belt. Safety is paramount with the Nuna Chestnut Arra Flex, featuring i-Size certification and advanced EPP energy-absorbing foam for next-level side impact protection. The headrest includes patented Tailor tech™ memory foam, ensuring a snug fit that evolves with your child's growth, meeting the highest R129 safety standards. Comfort is not compromised, with features like a 1-handed adjustable headrest across 10 positions, a removable newborn insert blending Merino wool and TENCEL™ fibers for temperature and moisture regulation, and a lie-flat recline position that supports optimum physiological development. Additionally, a removable, full-coverage UPF 50+ canopy protects against the elements while allowing you to keep an eye through a peek-a-boo window. This car seat is not just about safety and comfort but also about practicality. With a weight of just 3.9 kg, it is easy to transfer between vehicles. It also sports premium details like a luxe leatherette carry handle and high-strength handle that increases safety during travels. Whether transitioning between vehicles or combining with compatible pushchairs to form a travel system, the Nuna Chestnut Arra Flex offers a seamless blend of safety, comfort, and convenience, making it an ideal travel companion for your growing child. It’s also backed by prestigious awards, including the iF Design Award 2025, underlining its excellence in design and function. Suitable for children measuring 40-87 cm in height and up to approximately 24 months or 13 kg, this car seat is an investment in your child’s travel safety and overall wellbeing.

Age: Birth to 13 kg or approx. 24 months

Measurements: L 72-77 x W 43.5 x H 58.5 cm

Suggested Use:

• Rear-facing only
  • Child's height: 40-87 cm
  • Birth to 13 kg or approx. 24 months

Weight: 3.90 kg

Use:

• NEXT system compatible offering ultimate flexibility with multiple car seat solutions for the first 4 years
• Side and rear belt guides for installing vehicle track tracks
• 3 reclining positions in both car seat and travel system modes
• Convertible into a flat reclining seat—157° angle—usable in the vehicle or on a pram

Travel system ready with adapters for compatible strollers

Installation options:

• BASE curve: Rotates 360° and slides the car seat out towards you in one smooth motion with ProxiPivot technology™ for simple entries and exits and installation using a load leg and ISOFIX, so all NEXT system-compatible car seats can be quickly switched on and off with all NEXT system-compatible car seats
• BASE next: Rotates 360° for easy securing and installs with a load leg and ISOFIX to quickly click all NEXT system-compatible car seats on and off
• Vehicle harness: Can be installed securely with the car's seat belt without a baseSafety

Safety:

• EPP energy-absorbing foam takes side-impact safety to the next level
• I-Size certified and meets the highest R129 safety standards, which includes side impact testing for your peace of mind.
• Headrest's patented Tailor tech™ memory foam provides extra security for a comfortable, tailored fit that grows with the baby

Comfort:

• Removable newborn insert for customized comfort
• One-hand height adjustable headrest has 10 positions to accommodate growth
• 157° recline keeps baby's head, spine and hips in an ideal position for healthy development, making it exempt from the recommendation of 2-hour use
• A 3-point harness with no thread makes it easy and safe to wax

Premium Features:

• Luxurious leather leather handle for a more secure grip
• Conveniently lightweight with a weight of 3.9 kg (excluding insert or canopy)
• Detachable full-coverage UPF 50+ canopy with fold-out eyeshadow and mesh window with kik-a-boo
• The insert is made of an eco-friendly blend of Merino wool and TENCEL brand™ lyocell fiber, which is soft, naturally controls moisture and is environmentally friendly (TENCEL™ is a trademark of Lenzing AG)
• Heavy-duty top-class plastic shell keeps little ones in place
• High-strength handle transfers a large part 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
• GREENGUARD Gold Certification means that it is thoroughly tested and certified to meet strict standards for volatile organic compounds and chemical emissions

Meets European standard: ECE R129/03

Factory certified ISO 14001 ISO 9001 OHSAS 18001