The original 3 across All-in-One Car Seat just got better.

$599.00
Black JetBlue SkyGray SlatePurple PlumRed Cherry

Radian® 3RXT Safe+®

  • DESCRIPTION  
  • SPECS
  • VIDEO

The original 3 across All-in-One Car Seat just got better. Upgraded with 18 improvements from the award-winning Radian® 3RXT, the Diono Radian® 3RXT Safe+® features Diono Safe+® engineering, Safe+® anti-rebound bar and advanced Safe+® side impact protection for complete protection from birth to booster 4 - 120 lb / 1.8 - 54 kg.

Features:

18 UPGRADES FROM RADIAN® 3RXT

Includes Safe+® easy adjust 12 position headrest, 6 layers of Safe+® Side impact protection and Safe+® testing.

COMPLETE REAR-FACING PROTECTION

Safe+® steel anti-rebound bar reduces rebound rotation by up to 50% for extended rear-facing travel up to 50 lb

SAFE+® 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 Safe+® adapts as your child grows from birth to booster. Suitable from 4 - 120 lb / 1.8 - 54 kg.

SLIM FIT 3 ACROSS

Ultimate passenger comfort with spacious design but only 17" wide to fit 3 across in most midsize vehicles.

Product Specs

  • Minimum User Weight: 4 lb / 1.8 kg

  • Maximum User Weight: 120 lb / 54 kg

  • Minimum User Weight - Rear Facing: 4 lb / 1.8 kg

  • Maximum User Weight - Rear Facing: 50 lb / 22.7 kg

  • Maximum User Weight - Rear Facing LATCH: 35 lb / 15.8 kg

  • Minimum User Weight - Forward Facing: 22 lb / 10 kg

  • Maximum User Weight - Forward Facing: 65 lb / 29.5 kg

  • Maximum User Weight - Forward Facing LATCH: 40 lb / 18 kg

  • Minimum User Weight - Booster: 40 lb / 18 kg

  • Maximum User Weight - Booster: 120 lb / 54 kg

  • Maximum User Height: 57.1 in / 145 cm

  • Number of Head Support Positions: 12

  • Product Height: 28.5 in / 72.4 cm

  • Product Width: 17 in / 43.2 cm

  • Product Depth: 16 in / 40.6 cm

  • Seat Weight: 30.6 lb / 13.9 kg

  • Product Height - Folded: 28.5 in / 72.4 cm

  • Product Width - Folded: 17 in / 43.2 cm

  • Product Depth - Folded: 11.5 in / 29.2 cm

Care & Maintenance

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

Warranty Information

12 months standard warranty

Radian® 3RXT Safe+® Rear-Facing Installation

Radian® 3RXT Safe+® Forward-Facing Installation

Radian® 3RXT Safe+® Booster Mode Installation

The Diono Difference

radian® 3RXT Safe+® - diono® slimline 3 across convertible car seat with Safe+ engineering

Safe+ Engineering

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.

radian® 3RXT Safe+® - diono® slimline 3 across convertible car seat with Safe+ engineering

Fits 3 Across

Built with our famous Radian® slim fit design, to fit 3 across in most vehicles without compromising child or passenger comfort.

radian® 3RXT Safe+® - diono® slimline 3 across convertible car seat with Safe+ engineering

10 Years One Car Seat

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 (up to 120 lb. / 54 kg)

radian® 3RXT Safe+® - diono® slimline 3 across convertible car seat with Safe+ engineering

Rear-facing for longer

Engineered to keep your child rear-facing for longer up to 50 lb. / 22.7 kg

Customers also loved

$849.00$599.00

Customer Reviews