radian® 3RXT
The Diono Radian® 3RXT is the original 3 across All-in-One convertible car seat, trusted by over a million parents to protect their child from birth to booster (5 – 120 lb / 2.2 kg – 54 kg) Lovingly engineered with the famous Diono Steel Core and now rear facing for even longer, expect 10 years of safety from just one car seat.
$279.99 – $329.99
What makes radian® 3RXT great?
MULTI AWARD-WINNING ALL-IN-ONE
SAFE & COMFORTABLE NEWBORN POSITIONING
Features newborn travel high wedge to create a lie-flat travel position. Then as your baby grows, simply remove the wedge to allow the 2-in-1 infant positioning line to give a cozy, comforting support.
10 YEARS ONE CAR SEAT
With 4 ways to travel from birth to booster, the radian® 3RXT adapts as your child grows to offer a custom fit from birth up to 120lb / 54kg.
THE ORIGINAL 3 ACROSS
Built with our famous radian® slim fit design, to fit 3 across in most vehicles without compromising child or passenger comfort.
REAR-FACING FOR LONGER
Designed and engineered to keep your child rear facing for even longer up to 50 lb / 22.7kg (approx. 4 years old).
STEEL CORE
Mechanically engineered, reinforced steel core, made from automotive grade high strength steel to shield and protect.
PRODUCT SPECS
Rear-facing
5-50 lbs / 2.3-22.7 kg
Forward-facing
22-65 lbs / 10-29.5 kg
Booster mode
40-120 lbs / 18-54 kg
Seated torso height
7.5-16.5″ / 19-42 cm
Overall maximum height
up to 57″ / 144.8 cm
With 4 ways to travel from birth to booster, radian® adapts as your child grows to offer a custom fit from birth up to 120 lb / 54 kg.
Built with our famous radian® slim fit design, to fit 3 across in most vehicles without compromising child or passenger comfort.
With extended rear-facing from birth up to 50 lb / 22.7 kg to keep your child in the safest travel position for as long as possible.
Key product features and benefits
Steel Core
Mechanically engineered, reinforced steel core. Made from automotive grade high strength steel. What better way to protect your child?
Safe & comfortable newborn positioning
The removable infant insert features newborn travel high wedge to create a lie-flat travel position. Then as your baby grows, simply remove the wedge to allow the 2-in-1 infant positioning liner to give cozy, comforting support.
12 position adjustable headrest
radian 3RXT features an aluminum reinforced headrest, that can be adjusted to one of 12 positions to protect up to 57″ / 145 cm tall.
2-in-1 infant positioning liner
2-in-1 infant positioning liner with integrated newborn travel high wedge. As your baby grows, simply remove the wedge to allow the 2-in-1 infant positioning liner to give extra comfort and infant support.
Expandable seat width
Every radian features an expandable seat for more comfort and space as they grow.
Easy remove covers
Radian 3RXT features easy remove covers. So when the next journey gets messy, easily remove to machine wash.
SuperLATCH™ installation
Our SuperLATCH™ system makes installation easy and super secure. An audible click lets you know when connectors are locked in safe.
Travel ready
Radian car seats are super portable and fold flat for easy travel. They are also FAA Approved and certified for use on an aircraft!
what’s the diono.com difference?
Additional 2 year warranty*
Receive an additional 2-years warranty on all car seats and strollers purchased from diono.com. *T&C’s apply
FREE Shipping on orders over $200*
Diono proudly offers free shipping on orders over $200. *T&C’s apply
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1-2-1 Virtual Car Seat Fitting
Book a 1-2-1 virtual car seat fitting with a member of our car seat safety team
Questions?
can the radian 3RXT fit-across in my car?
Most likely, yes, as long as you have 51” (130cm) in the back row from vehicle armrest to armrest. It may be necessary to install all three using the vehicle seat belt system.
can the harness straps be cleaned?
Yes, we recommend using a damp cloth with a solution of water and baking soda to wipe the straps clean. They cannot be saturated in any liquid, or they will need to be replaced. Replacement harness straps can be purchased on our website.
can I use the radian 3RXT from birth?
Yes, the weight limits on all our convertible car seats starts at 5lbs. The newborn must also meet a length requirement where the top of their shoulders reaches the lowest harness slot on the seat.
are the harness pads and buckle pads required on my seat?
The harness pads can be used at the parent’s discretion for this product.