Radian 3RXT Luxe


The original 3 across all-in-one convertible car seat, trusted by over a million parents to protect their child from birth to booster. 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. Minimalist and stylish patterns to keep It simple. 

 The Original 3 Across: Built with the famous Radian slim fit convertible design for a 3-across option, without compromising child or passenger comfort. feel safe having your children safe and secure in the backseat.

Luxury Fabrics - Crafted in a striking Black Camo or Black Platinum fashioned to take pride of place in any vehicle. The luxe collection features premium quality fabrics and considered detailing that is new and exclusive to the 2020 Radian R Series. 

Includes Back Seat Organizer - Includes a handy back seat organizer with 6 storage pockets and 2 drink holders so you can keep their road trip essentials close by.

2-in-1 Newborn Protection - 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 cozy, comforting support. 

10 Years One Car Seat - With 4 ways to travel from birth to booster, the Radian Luxe adapts as your child grows to offer a custom fit from birth up to 120 lb.

Original 3 Across - Built without famous Radian slim fit design, to fit 3 across in most vehicles without compromising child or passenger comfort.



  • Minimum User Weight: 5 lb 
  • Maximum User Weight: 120 lb 
  • Minimum User Weight - Rear Facing: 5 lb 
  • Maximum User Weight - Rear Facing: 50 lb 
  • Maximum User Weight - Rear Facing LATCH: 35 lb 
  • Minimum User Weight - Forward Facing: 22 lb 
  • Maximum User Weight - Forward Facing: 65 lb
  • Maximum User Weight - Forward Facing LATCH: 40 LB 
  • Minimum User Weight - Booster: 40 lb 
  • Maximum User Weight - Booster: 120 lb
  • Maximum User height: 57.1 in
  • Product Height: 28.5 in
  • Product Width: 17 in 
  • Product Depth: 16 in
  • Seat Weight: 28.1 lb

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