null
Skip to main content
Cart 0
Your Bag
  1. Home
  2. New Arrivals
  3. Radian® 3RXT® SafePlus™
50100

Radian® 3RXT® SafePlus™

$469.99
$374.99

SAVE $95!

Radian® 3RXT® SafePlus™ all-in-one convertible car seat [Black Jet]
The original 3-across all-in-one car seat [Black Jet]
Complete 3-stage rear-facing protection [Black Jet]
Anti-rebound bar reduces rebound rotation by 50% [Black Jet]
Complete dimensions of Radian® 3RXT® SafePlus™ [Black Jet]
22% increase in headrest range from the Radian® 3RXT [Black Jet]
SafePlus™ Engineering including advanced testing and anti-rebound bar [Black Jet]
Rear-facing protection from 4 lbs [Black Jet]
Rear-facing for longer up to 50 lbs [Black Jet]
10 years one car seat from 4 lbs to 120 lbs [Black Jet]
Original 3-across design [Black Jet]
Advanced SafePlus™ Engineering comfort and protection [Black Jet]
Engineered with SafePlus™ steel core [Black Jet]
Featuring advanced 6-layers of side impact protection [Black Jet]
SafePlus™ newborn high travel wedge [Black Jet]
12 position easy adjust headrest [Black Jet]
2-in-1 head and body insert [Black Jet]
Easy remove machine washable covers [Black Jet]
Folds for travel FAA Approved [Black Jet]
SuperLATCH connectors for easy click installation [Black Jet]
Memory foam cushion for comfort [Black Jet]
Radian® 3RXT® SafePlus™ all-in-one convertible car seat [Gray Slate]
The original 3-across all-in-one car seat [Gray Slate]
Complete 3-stage rear-facing protection [Gray Slate]
Anti-rebound bar reduces rebound rotation by 50% [Gray Slate]
Complete dimensions of Radian® 3RXT® SafePlus™ [Gray Slate]
22% increase in headrest range from the Radian® 3RXT [Gray Slate]
SafePlus™ Engineering including advanced testing and anti-rebound bar [Gray Slate]
Rear-facing protection from 4 lbs [Gray Slate]
Rear-facing for longer up to 50 lbs [Gray Slate]
10 years one car seat from 4 lbs to 120 lbs [Gray Slate]
Original 3-across design [Gray Slate]
Advanced SafePlus™ Engineering comfort and protection [Gray Slate]
Engineered with SafePlus™ steel core [Gray Slate]
Featuring advanced 6-layers of side impact protection [Gray Slate]
SafePlus™ newborn high travel wedge [Gray Slate]
12 position easy adjust headrest [Gray Slate]
2-in-1 head and body insert [Gray Slate]
Easy remove machine washable covers [Gray Slate]
Folds for travel FAA Approved [Gray Slate]
SuperLATCH connectors for easy click installation [Gray Slate]
Memory foam cushion for comfort [Gray Slate]
Radian® 3RXT® SafePlus™ all-in-one convertible car seat [Red Cherry]
The original 3-across all-in-one car seat [Red Cherry]
Complete 3-stage rear-facing protection [Red Cherry]
Anti-rebound bar reduces rebound rotation by 50% [Red Cherry]
Complete dimensions of Radian® 3RXT® SafePlus™ [Red Cherry]
22% increase in headrest range from the Radian® 3RXT [Red Cherry]
Radian® 3RXT® SafePlus™ Engineering including advanced testing and anti-rebound bar [Red Cherry]
Rear-facing protection from 4 lbs [Red Cherry]
Rear-facing for longer up to 50 lbs [Red Cherry]
10 years one car seat from 4 lbs to 120 lbs [Red Cherry]
Original 3-across design [Red Cherry]
Advanced SafePlus™ Engineering comfort and protection [Red Cherry]
Engineered with SafePlus™ steel core [Red Cherry]
Featuring advanced 6-layers of side impact protection [Red Cherry]
SafePlus™ newborn high travel wedge [Red Cherry]
12 position easy adjust headrest [Red Cherry]
2-in-1 head and body insert [Red Cherry]
Easy remove machine washable covers [Red Cherry]
Folds for travel FAA Approved [Red Cherry]
SuperLATCH connectors for easy click installation [Red Cherry]
Memory foam cushion for comfort [Red Cherry]
Radian® 3RXT® SafePlus™ all-in-one convertible car seat [Blue Sky]
The original 3-across all-in-one car seat [Blue Sky]
Complete 3-stage rear-facing protection [Blue Sky]
Anti-rebound bar reduces rebound rotation by 50% [Blue Sky]
Complete dimensions of Radian® 3RXT® SafePlus™ [Blue Sky]
22% increase in headrest range from the Radian® 3RXT [Blue Sky]
SafePlus™ Engineering including advanced testing and anti-rebound bar [Blue Sky]
Rear-facing protection from 4 lbs [Blue Sky]
Rear-facing for longer up to 50 lbs [Blue Sky]
10 years one car seat from 4 lbs to 120 lbs [Blue Sky]
Original 3-across design [Blue Sky]
Advanced SafePlus™ Engineering comfort and protection [Blue Sky]
Engineered with SafePlus™ steel core [Blue Sky]
Featuring advanced 6-layers of side impact protection [Blue Sky]
SafePlus™ newborn high travel wedge [Blue Sky]
12 position easy adjust headrest [Blue Sky]
2-in-1 head and body insert [Blue Sky]
Easy remove machine washable covers [Blue Sky]
Folds for travel FAA Approved [Blue Sky]
SuperLATCH connectors for easy click installation [Blue Sky]
Memory foam cushion for comfort [Blue Sky]
Radian® 3RXT® SafePlus™ all-in-one convertible car seat [Purple Plum]
The original 3-across all-in-one car seat [Purple Plum]
Complete 3-stage rear-facing protection [Purple Plum]
Anti-rebound bar reduces rebound rotation by 50% [Purple Plum]
Complete dimensions of Radian® 3RXT® SafePlus™ [Purple Plum]
22% increase in headrest range from the Radian® 3RXT [Purple Plum]
SafePlus™ Engineering including advanced testing and anti-rebound bar [Purple Plum]
Rear-facing protection from 4 lbs [Purple Plum]
Rear-facing for longer up to 50 lbs [Purple Plum]
10 years one car seat from 4 lbs to 120 lbs [Purple Plum]
Original 3-across design [Purple Plum]
Advanced SafePlus™ Engineering comfort and protection [Purple Plum]
Engineered with SafePlus™ steel core [Purple Plum]
Featuring advanced 6-layers of side impact protection [Purple Plum]
SafePlus™ newborn high travel wedge [Purple Plum]
12 position easy adjust headrest [Purple Plum]
2-in-1 head and body insert [Purple Plum]
Easy remove machine washable covers [Purple Plum]
Folds for travel FAA Approved [Purple Plum]
SuperLATCH connectors for easy click installation [Purple Plum]
Memory foam cushion for comfort [Purple Plum]
Radian® 3RXT® SafePlus™ all-in-one convertible car seat [Black Jet]

$469.99
$374.99

Become a VIP Member and earn points & exclusive rewards along your journey. Learn More

Receive perks when you sign up for VIP Rewards

Sign Up

Create a free account and get 100 points.

Earn Points

Every time you shop and share your journey.

Redeem Points

Redeem points for exclusive discounts & perks.

Bonus Points

Exclusive anniversary & birthday bonus.

Radian® 3RXT® SafePlus™

The original 3 across All-in-One Car Seat just got better. Upgraded with 15 improvements from the award-winning Radian® 3RXT®, the Diono Radian® 3RXT® SafePlus™ features Diono SafePlus™  engineering, SafePlus™  anti-rebound panel and advanced SafePlus™ Side Impact Protection for complete protection from birth to booster 4 - 120 lb / 1.8 - 54 kg.

Features:

  • 15 UPGRADES FROM RADIAN® 3RXT® - Includes SafePlus® easy adjust 12-position headrest, 6 layers of SafePlus™ Side Impact Protection and SafePlus™ testing.
  • COMPLETE REAR-FACING PROTECTION - SafePlus™ steel anti-rebound bar reduces rebound rotation by up to 50% for extended rear-facing travel up to 50 lb.
  • SAFEPLUS™ ENGINEERING - Features a unique combination of engineering features and testing to the highest safety standards to ensure we have the safest seat possible.
  • 10 YEARS ONE CAR SEAT - From rear-facing to forward facing Radian 3RXT® SafePlus™ adapts as your child grows from birth to booster. Suitable from 4 - 120 lb / 1.8 - 54 kg.
  • THE ORIGINAL RADIAN 3 ACROSS - Built with our famous Radian® slim fit convertible design for a 3-across option only with Diono Radian® combinations without compromising child or passenger comfort. Feel safe having your children secure in the backseat.

Product Specs

  • Minimum User Weight: 1.8 kg / 4 lb
  • Maximum User Weight: 54 kg / 120 lb
  • Minimum User Weight - Rear Facing: 1.8 kg / 4 lb
  • Maximum User Weight - Rear Facing: 22.7 kg / 50 lb
  • Maximum User Weight - Rear Facing LATCH: 15.8 kg / 35 lb
  • Minimum User Weight - Forward Facing: 10 kg / 22 lb
  • Maximum User Weight - Forward Facing: 29.5 kg / 65 lb
  • Maximum User Weight - Forward Facing LATCH: 18 kg / 40 lb
  • Minimum User Weight - Booster: 18 kg / 40 lb
  • Maximum User Weight - Booster: 54 kg / 120 lb
  • Maximum User Height: 145 cm / 57.1 in
  • Number of Head Support Positions: 12
  • Product Height: 72.4 cm / 28.5 in
  • Product Width: 43.2 cm / 17 in
  • Product Depth: 40.6 cm / 16 in
  • Seat Weight: 13.9 kg / 30.6 lb
  • Product Height - Folded: 72.4 cm / 28.5 in
  • Product Width - Folded: 43.2 cm / 17 in
  • Product Depth - Folded: 29.2 cm / 11.5 in

Care & Maintenance

Covers: Machine wash cold, line dry. Shell and Components: Spot clean

Warranty Information

12 months standard warranty

Diono Imagination Sea Adventure

The Diono Difference

The Radian® 3RXT SAFE+ features Safe+® STEEL REINFORCED FRAME - Mechanically engineered, reinforced steel core, made from automotive grade high strength steel to shield and protect.
Every Radian® All-in-One Convertible Car Seat is designed to adapt as your child grows to offer a custom fit from birth to booster (1.8 - 54 kg / 4 - 120 pounds).
Built with our famous Radian® slim fit design, to fit 3 across in most vehicles without compromising child or passenger comfort.
Engineered to keep your child rear-facing for longer up to 22.7 kg / 50 lb.

Plays well with

Customers Also loved

Radian® 3R all in one convertible car seat [Gray Slate]
SAVE UP TO $30!

Radian® 3R

$249.97

The original 3 across All-in-One convertible car seat

Radian® 3QXT next generation of all in-one-convertible car seat [Purple Plum]
SAFEPLUS™ ENGINEERING

Radian® 3QXT

$579.99

The ultimate 3 across 4 in 1 All-in-One car seat from birth to booster.

Reviews