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Give your little one the safest possible start with the Mountain Buggy Nest R129 i-Size Car Seat & Base. Suitable from 40-87cm (approximately birth to 20+ months), this lightweight infant car seat combines advanced safety, everyday practicality and exceptional comfort, making every journey feel effortless from day one.
Included with the Nest is a rotating ISOFIX base, featuring a smooth 180° swivel that turns the seat towards you for easier lifting, harness fastening and stress-free transfers. Whether you're heading home from the hospital or out on everyday adventures, the intuitive installation with visual green and red indicators offers complete confidence every time.
Designed to grow with your little one, the Nest features an adjustable headrest and harness that move together with one hand, a supportive newborn insert and thick EPP energy-absorbing foam for enhanced protection. Certified to the latest R129 i-Size safety standard, it offers extended rear-facing travel from 40-87cm and has been tested for front, rear, side impact and rollover protection for added peace of mind.
Weighing just 3.9kg, the Nest is wonderfully lightweight to carry and effortlessly clicks onto compatible Mountain Buggy pushchairs to create a seamless travel system. Finished with soft quilted fabrics, elegant woodgrain accents, an extendable canopy and a UPF50+ blackout cover, it's thoughtfully designed to keep your baby comfortable wherever your adventures take you.
We carefully select every product in our range for its superior safety, sustainability, and quality. All items are backed by a comprehensive manufacturer’s warranty for added peace of mind. In the unlikely event of a fault or failure, our Customer Service team will provide full support throughout any warranty claims process.
We provide a range of fast and efficient shipping services to ensure your products arrive on time and in perfect condition.
Some size/weight restrictions apply for certain regions. Full details at checkout.
Questions? Our friendly team is happy to help! For more details, check our delivery page.
Returns
We offer a 60-day returns policy. For full details, see our full returns policy.
Give your little one the very best start with the Mountain Buggy Nest R129 i-Size Car Seat & Base. Certified to the latest R129 i-Size safety standards, it offers extended rear-facing travel from 40-87cm (approximately birth to 20+ months), with thick EPP energy-absorbing foam and protection tested for front, rear, side impact and rollover. Designed to give parents complete confidence, every journey begins with trusted safety.
The included 180° rotating ISOFIX base makes getting your baby in and out of the car wonderfully easy. Simply rotate the seat towards you for stress-free harness fastening and lifting, while intuitive green and red installation indicators provide reassurance that everything is securely fitted. At just 3.9kg, the lightweight car seat also clicks seamlessly onto compatible Mountain Buggy pushchairs for uninterrupted adventures.
Thoughtful comfort features ensure the Nest supports your little one from their very first journey home. The removable newborn insert provides a cosy, secure fit, while the one-hand adjustable headrest and harness move together through eight height positions as your baby grows. Finished with soft quilted fabrics, an extendable canopy and an included UPF50+ blackout cover, every ride is designed with comfort in mind.
