Brand Diono

Installation Type Latch

Material Alloy Steel, Polypropylene, Plastic, Polystyrene

Color Gray Slate

Orientation Convertible Seat

Product Dimensions 16"D x 17"W x 28.5"H

Item Weight 30.6 Pounds

Maximum weight recommendation 120 Pounds

Harness Type 5-Point

Number of Height Positions 12


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. From babys first journey the Radian 3RXT SafePlus provides complete rear-facing protection with a SafePlus newborn travel high wedge and SafePlus 2-in-1 infant positioning liner for a custom fit from 4 lb / 1.8 kg.


As your child grows the SafePlus steel anti-rebound bar increases stability and reduces rebound rotation by up to 50%, so you can keep them in a safe rear-facing convertible car seat for longer (up to 50 lb / 22.7 kg). As both a rear and forward-facing convertible car seat, the Radian 3RXT SafePlus protects as they grow, with SafePlus easy adjust 12 position headrest that offers a 22% increase in occupancy range from the Radian 3RXT. As they grow the Radian 3RXT SafePlus provides 6 layers of SafePlus Side Impact Protection without compromising the famous Radian 3-across slim fit in most midsize vehicles.


All these great features have been combined with SafePlus engineering, with the Radian 3RXT SafePlus All-in-One Convertible Car Seat subjected to a combination of the most rigorous crash tests to ensure the safest seat possible. Parents can also expect the travel friendly traits Diono is famous for, including convenient fold and FAA approval for use on an aircraft. So, no matter where you go you can take Diono safety with you.


Features & details


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 information

Product Dimensions ‎16 x 17 x 28.5 inches

Item model number ‎50101

Material Type ‎Alloy Steel, Polypropylene, Plastic, Polystyrene

material_composition ‎100% Polyester

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

Additional product features ‎Fits 3 Across

Style ‎3RXT SafePlus

Batteries required ‎No

Item Weight ‎30.6 pounds

Country/Region of origin ‎China

Minimum Height Recommendation ‎18.1 Inches

Minimum Weight Recommendation ‎4 Pounds

Age Range (Description) ‎Newborn

Maximum Height Recommendation ‎57.1 Inches

Rear Facing Maximum Weight ‎50 Pounds

Forward Facing Maximum Weight ‎120 Pounds

Rear Facing Minimum Weight ‎4 Pounds

Forward Facing Minimum Weight ‎22 Pounds


Radian 3RXT SafePlus