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Top-rated by leading consumer publications, the Graco Nautilus 3-in-1 Car Seat grows with your child by offering three forward-facing positions. Designed for children 20 to 100 pounds, the Nautilus transitions from a harness booster to a highback belt-positioning booster and finally to a backless belt-positioning booster seat. This LATCH-equipped seat is outfitted with reinforced steel, and features a three-position recline and height-adjustable headrest to help make every ride more enjoyable.
This seat is seat LATCH-equipped to work with your vehicle's LATCH system for easy installation. View larger.
In addition to meeting or exceeding all US safety standards, the Nautilus 3-in-1 car seat has been side impact tested for occupant retention with the built in 5-point harness system and in high back belt positioning booster mode to keep your child secure in a side-impact collision. This car seat features EPS, energy absorbing foam for effective energy management in the event of collision.
The Nautilus has been tested for structural integrity at both high and low temperatures. Because the interior temperature of your vehicle can vary significantly by season, it is important to maintain the structural integrity of the car seat when subjected to these temperature extremes. Its color coded open-loop belt guides also help ensure your vehicle belt is properly routed to secure your child.
The Nautilus is designed for children from 20 to 100 pounds, allowing five-point harness use up to 65 pounds. As your child grows, the seat transitions into a highback belt-positioning booster, then finally into a backless belt-positioning booster for a comfortable fit up to 100 pounds.
The Nautilus adapts to keep your child comfortable, offering a three-position recline and a height-adjustable headrest you can easily move with one hand to accomodate your child's needs.
Contoured, padded armrests offer additional comfort on long rides. The integrated cup holder and storage pockets for snacks and small toys keep your child's favorite things always within an arm's reach.
Nautilus makes it easy to secure your child properly thanks to open-loop belt guides that help you correctly position the vehicle's seat belt.
The seat is also LATCH-equipped to work with your vehicle's LATCH system for easy installation or can be installed using your vehicle's safety belt giving you the confidence of proper installation.
The Nautilus features a machine-washable cover and seat cushion. Metal and plastic parts can be washed with mild soap and water, while the buckle and harness strap clean up quickly with a damp cloth.
The Graco Nautilus 3-in-1 Car Seat is backed by a manufacturer's limited one-year warranty.
The Nautilus 3-in-1 measures 29 by 20 by 22 inches (H x W x D) and weighs 26 pounds.
Graco Nautilus 3-in-1 Car Seat.
Weight in lbs.
Harness Booster seats
Was worried about the seat strap being too close based on previous reviews, but there is plenty of space when moved to the next notch. Read morePublished 21 hours ago by William P
I've gone through 4 different booster seats and this is one I returned. I had a list of booster seat and highback seat ratings from consumer reviews and I wanted to try several of... Read morePublished 1 day ago by C. Wu
Great car seat. Easy to adjust and to install. The harness fits my tall 3 year old well, with room to grow. Read morePublished 1 day ago by cbpowers
We loved the first one so much, when our second child was big enough we bought a second. Easy to clean, easy to install, easy to transfer between cars, lightweight (in the grand... Read morePublished 1 day ago by Bellingham
Fantastic seat! My 5 year old is on the second highest 5-point harness strap position, but she is really very tall, so it's to be expected. Read morePublished 1 day ago by Amazon Customer
Good solid car seat. Kid loves it.
Only negative is it can be a pain to install and get it synched down tight.
The crotch strap was quite difficult to adjust but my son loves his new big boy car seat and it's safe so it was worth itPublished 2 days ago by boarderman
This seat did require a bit of assembly, and more studying of the manual than I would have liked. That said, install still went smoothly and was relatively quick, the seat seems... Read morePublished 2 days ago by Val