• Home
  • Blog
  • Compare

Gifts Sets For Kids
Shop Now.

babyshop
ASK A QUESTION
Menu
babyshop
0 Compare
Wishlist
Search
  • Home
  • Shop
    • Activity and Entertainment
      • Activity Centers
      • Baby Gyms and Playmats
      • Bouncers, Jumpers and Swings
      • Floor Seats and Loungers
      • Playard Bedding
      • Walkers
    • All Discounts
    • Baby Care
      • Bathing
      • Grooming
      • Hair Care
      • Health
      • Pacifiers, Teethers and Teething Relief
      • Skin Care
    • Car Seats and Accessories
      • Car Accessories
      • Car Seat
      • Car Seat Bases
    • Diapering
      • Changing Table Pads and Covers
      • Changing Tables
      • Cloth Diaper Accessories
      • Diaper Bags
      • Diaper Creams
      • Diaper Pails and Refills
      • Diaper Stackers and Caddies
      • Disposable Diapers
      • Powders
      • Wipes and Holders
    • Feeding
      • Baby Foods
      • Bibs and Burp Cloths
      • Bottle-Feeding
      • Breastfeeding
      • Food Mills
      • Food Storage
      • Highchairs and Booster Seats
      • Solid Feeding
    • For Moms
      • Family Planning Tests
      • Maternity
      • Maternity Pillows
      • Pillows and Pillow Covers
      • Prenatal Monitoring Devices
    • Gifts
      • Albums, Frames and Journals
      • Gift Sets
      • Keepsakes
      • Rattles and Plush Rings
    • Nursery
      • Bedding
      • Furniture
      • Decor
    • Potty Training
      • Potties
      • Seat Covers
      • Seats
      • Training Pants
      • Travel Potties
    • Safety
      • Bathroom Safety
      • Cabinet Locks and Straps
      • Edge and Corner Guards
      • Electrical Safety
      • Gates and Gate Extensions
      • Kitchen Safety
    • Strollers
      • Joggers
      • Lightweight
      • Prams
      • Standard
      • Tandem
      • Travel Systems
    • Travel Gear
      • Child Seats
      • Play Cards
      • Harnesses and Leashes
      • Portable Changing Pads
      • Shopping Cart Covers
    • Games
      • Video Games
  • Today’s Deals
  • Coupons
  • Gift Cards
  • Blog
  • About us
  • Contact us
0 Compare
0 Wishlist
Click to enlarge
Home Shop Car Seats and Accessories Car Seat Diono Radian 3R, 3-in-1 Convertible Car Seat, Rear Facing & Forward Facing, 10 Years 1 Car Seat, Slim Fit 3 Across, Jet…
Baby Trend Secure Snap Tech 35 Infant Car Seat, Chambray , 16.5x16.25x28.5 Inch (Pack of 1) $149.99
Back to products
Graco Atlas 65 2 in 1 Harness Booster Seat | Harness Booster and High Back Booster in One, Glacier , 19x22x25 Inch (Pack… $139.97
Visit the Diono Store

Diono Radian 3R, 3-in-1 Convertible Car Seat, Rear Facing & Forward Facing, 10 Years 1 Car Seat, Slim Fit 3 Across, Jet…

$199.99

REAR-FACING FOR LONGER: This slimfit convertible car seat is designed and engineered to keep your child rear facing even longer up to 50 lb/ 22. 7 kg, approx. 4 years old
HIGH BACK BOOSTER: Keep your child safe and comfortable with the high back booster seat mode now up to 120 lb, 54 kg. The high back booster adds an extra layer of protection and comfort for any child transitioning into booster mode.Shell and Components: Spot clean
10 YEARS ONE CAR SEAT: With 4 ways to travel safely from birth to booster, the Radian 3R adapts as your child grows to offer a custom adjustable fit from birth to 120 lbs

    {"prodid":8555,"asin":"B083F5P7VP","prodcountry":"com","boxpos":false,"do_update":1}
    [{"domain":"com","name":"United States"},{"domain":"co.uk","name":"United Kingdom"},{"domain":"de","name":"Germany"},{"domain":"fr","name":"France"},{"domain":"co.jp","name":"Japan"},{"domain":"ca","name":"Canada"},{"domain":"it","name":"Italy"},{"domain":"es","name":"Spain"},{"domain":"com.mx","name":"Mexico"},{"domain":"sa","name":"Saudi Arabia"},{"domain":"se","name":"Sweden"}]
    {"main_aff_id":"madota-20","aff_ids":[{"country":"com","aff_id":"madota-20"},{"country":"co.uk","aff_id":"madota-20"},{"country":"de","aff_id":"madota-20"},{"country":"fr","aff_id":"madota-20"},{"country":"co.jp","aff_id":"madota-20"},{"country":"ca","aff_id":"madota-20"},{"country":"it","aff_id":"madota-20"},{"country":"es","aff_id":"madota-20"},{"country":"com.mx","aff_id":"madota-20"},{"country":"sa","aff_id":"madota-20"},{"country":"se","aff_id":"madota-20"}]}
  • -
Compare
Add to wishlist
Categories: Car Seat, Car Seats and Accessories
Share:
  • Description
  • Additional information
  • Reviews (0)
  • Shipping & Delivery
Description

The Diono Radian® 3R is the original slimfit 3 across all-in-one convertible car seat, designed to protect from baby to booster seat (5 – 120 pounds). Lovingly engineered with the famous Diono steel reinforced frame and now rear facing for even longer, expect 10 years of safety from just one car seat. Designed and engineered with complete rear facing protection, so you can keep them in a safe rear facing convertible car seat for longer up to 50 pounds. Built with a mechanically engineered, reinforced steel frame, made from automotive grade high strength steel, the radian is always ready to shield and protect. And when your family grows, the slimfit design will fit 3 across in most vehicles without compromising child safety or passenger comfort. As travel car seat experts, Diono have naturally built in super portable and convenient features to the Radian 3R with original fold for easy transport and storage and easy remove machine washable covers. The radian is also aircraft certified (FAA approved), so you can take safety with you wherever you go.

REAR-FACING FOR LONGER: This slimfit convertible car seat is designed and engineered to keep your child rear facing even longer up to 50 lb/ 22. 7 kg, approx. 4 years old
HIGH BACK BOOSTER: Keep your child safe and comfortable with the high back booster seat mode now up to 120 lb, 54 kg. The high back booster adds an extra layer of protection and comfort for any child transitioning into booster mode.Shell and Components: Spot clean
10 YEARS ONE CAR SEAT: With 4 ways to travel safely from birth to booster, the Radian 3R adapts as your child grows to offer a custom adjustable fit from birth to 120 lbs
REINFORCED STEEL CORE: Mechanically engineered, reinforced steel core, made from automotive grade high density plastic and steel to create the ultimate protection for your child
THE ORIGINAL 3 ACROSS: Built with our famous radian slim fit convertible design, to fit 3 across in most vehicles without compromising child or passenger comfort. Feel safe having your children secure in the backseat

Additional information
Product Dimensions

‎16 x 17 x 28.5 inches

Item model number

‎50620

Is Discontinued By Manufacturer
Minimum weight recommendation

‎5 pounds

Maximum weight recommendation

‎120 Pounds

Minimum height recommendation

‎18.1 Inches

Maximum height recommendation

‎57 Inches

Material Type

‎Alloy Steel, Polypropylene, Plastic, Polystyrene

material_composition

‎90% Polyester, 10% Spandex

Care instructions

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

Additional product features
Number Of Items

‎1

Style

‎Radian 3R Fits 3 Across

Number of reclining positions

‎1

Batteries required
Orientation

‎Convertible Seat

Rear-facing minimum child weight

‎5 pounds

Rear-facing maximum child weight

‎50 Pounds

Harness type

‎5 Point

Item Weight

‎25.9 pounds

Brand

Visit the Diono Store

Reviews (0)

Reviews

There are no reviews yet.

Be the first to review “Diono Radian 3R, 3-in-1 Convertible Car Seat, Rear Facing & Forward Facing, 10 Years 1 Car Seat, Slim Fit 3 Across, Jet…” Cancel reply

Your email address will not be published. Required fields are marked *

Shipping & Delivery

Related products

Compare

Onco Baby Car Mirror Rear-facing – Platinum Award Winning Car Mirror Baby Rear Facing Seat, Baby Essentials for Newborn…

Car Seats and Accessories, Car Accessories
$39.99
Make sure this fits by entering your model number. Peace of mind: Keep an eye on your child in the back seat and provide some additional entertainment with this handy and durable baby car seat mirror. A baby car essential designed for safe travel! Safety first: The wide car mirror is made from 100% shatterproof plastic. Once secured, the baby rear view mirror for car journeys stays in place and won’t wobble
Add to wishlist
CHECK NEW PRICE ON AMAZON
Quick view
Compare

Infantino Prop-A-Pillar Tummy Time & Seated Support – Pillow Support for Newborn and Older Babies, with Detachable…

Car Seats and Accessories, Car Accessories
$44.99
Design: Supportive C shaped pillow with stackable pillows, detachable teether, tummy time pillow, soft seat positioning prop and caterpillar to keep baby engaged while developing head and neck muscles Ideal XMAS gift: Celebrate baby's first Christmas with this comforable tummy time & seated support pillow Includes: Detachable BPA free teether, plush cloth sun and attachable soft, yet firm stackable support pillows to grow and change with your young one
Add to wishlist
CHECK NEW PRICE ON AMAZON
Quick view
Compare

Nursing Cover Breastfeeding Scarf – Baby Car Seat Covers, Infant Stroller Cover for Girls and Boys by Yoofoss (Bear)

Car Seats and Accessories, Car Accessories
$11.99
❤MULTI USE COVERS - Can use as Nursing Breastfeeding Cover, Shopping Cart Cover, High Chair Cover, Infinity Scarf, Light Blanket, Stroller Cover, which is a must have for every mother! ❤PREMIUM FABRIC - Made of lightweight and soft fabric which maximize airflow for a relaxed experience, offers the ultimate comfort for both mom and baby! ❤FULL COVERAGE - Our nursing cover provides 360° full worry-free coverage while nursing. Even if you are breastfeeding in a public place, you don't have to worry about embarrassing problems.
Add to wishlist
CHECK NEW PRICE ON AMAZON
Quick view
Compare

Shynerk Baby Car Mirror, Safety Car Seat Mirror for Rear Facing Infant with Wide Crystal Clear View, Shatterproof, Fully…

Car Seats and Accessories, Car Accessories
$45.99
Extra wide crystal clear reflection and 360 degree adjustable: easily pivot to your desired viewing angle, it allows you to keep your lovely baby in sight and look good after him or her all the time. Safety certified and crash tested: design of shatterproof acrylic glass, strongly tied up by heavy duty straps,full rotation with hinge, even in a crash or accident you can ensure your baby's safety. Easy to tighten straps: easy straps to your moveable headrest and give you an unbreakable 360 degree swivel travel.
Add to wishlist
CHECK NEW PRICE ON AMAZON
Quick view
Compare

Baby Car Mirror, DARVIQS Car Seat Mirror, Safely Monitor Infant Child in Rear Facing Car Seat, Wide View Shatterproof…

Car Seats and Accessories, Car Accessories
$21.99
Make sure this fits by entering your model number. Always Keep Your Baby in Sight: With a large mirror size of 7.4x11.8” and its convex shape, you’ll always be able to tell at a glance if your little one is doing okay. Plus, with a 360-degree joint it’s fully adjustable so you can angle it perfectly. Safety Certified and Crash Tested: Design of Shatterproof Acrylic Glass, strongly tied up by heavy duty straps, full rotation with hinge, in the event of a Crash or Accident you can make sure of your baby’s safety.
Add to wishlist
CHECK NEW PRICE ON AMAZON
Quick view
Compare

Munchkin Brica Elite Seat Guardian Car Seat Protector and Cover for Baby/Child, Dark Grey

Car Seats and Accessories, Car Accessories
$38.99
The product measures 45 inch length x 20 inch width. Color safe construction won't bleed onto upholstery Dual grip traction technology grips on both sides to help minimize unwanted car safety seat movement
Add to wishlist
CHECK NEW PRICE ON AMAZON
Quick view
Compare

The Noggle – Making The Backseat Cool Again – Quick & Easy to Use Car Travel Accessories for a Comfy Ride Summer or…

Car Seats and Accessories, Car Accessories
$64.95
Make sure this fits by entering your model number. Cooling Down The Summer Car Ride - no more sweaty or uncomfortable kids or pets. The Noggle car air vent extender is the ultimate road trip essential to quickly get cool or warm air (in the winter) to your backseat passengers in the second or third row seating of your vehicle Get More Air To The Back - the Noggle air conditioning for back seat extends air direct from the air vent to your little ones in a rear facing convertible car seat, infant car seat, booster seats, and more. This car vent extender ac vent tube for car will work on nearly any vehicle
Add to wishlist
CHECK NEW PRICE ON AMAZON
Quick view
Compare

J.L. Childress Gate Check Bag for Car Seats – Air Travel Bag – Fits Convertible Car Seats, Infant carriers & Booster…

Car Seats and Accessories, Car Accessories
$19.99
Polyester Made in USA or Imported Protects your car seat from dirt and germs when checking it at the airline gate. Airline certified.
Add to wishlist
CHECK NEW PRICE ON AMAZON
Quick view
Quick Links
  • Home
  • Blog
  • Shop
  • Privacy Policy
  • Terms and Conditions
  • Affiliate Disclosure

JOIN OUR MAIL LIST FOR EXCLUSIVE

Offers & Deal

Email field is required to subscribe.

x

You Have Successfully Subscribed to the Newsletter

Recent Posts
  • hospital-birth-using-tub-1024x814.jpg
    Gestational Diabetes and Induction without Pain Medication Birth Story – The Birth Hour
    October 10, 2025 No Comments
  • GYCFdPjTNGcucZt7G2Hw_file.jpg
    Christina’s Story at 12 weeks Post-Birth
    September 30, 2025 No Comments
2024 vertexbaby.com ALL RIGHTS RECEIVED.
payments
  • Menu
  • Categories
  • Activity and Entertainment
    • Activity Centers
    • Baby Gyms and Playmats
    • Bouncers, Jumpers and Swings
    • Floor Seats and Loungers
    • Playard Bedding
    • Walkers
  • Baby Care
    • Bathing
    • Grooming
    • Hair Care
    • Health
    • Pacifiers, Teethers and Teething Relief
    • Skin Care
  • Car Seats and Accessories
    • Car Accessories
    • Car Seat
    • Car Seat Bases
  • Diapering
    • Changing Table Pads and Covers
    • Changing Tables
    • Cloth Diaper Accessories
    • Diaper Bags
    • Diaper Creams
    • Diaper Pails and Refills
    • Diaper Stackers and Caddies
    • Disposable Diapers
    • Powders
    • Wipes and Holders
  • Feeding
    • Baby Foods
    • Bibs and Burp Cloths
    • Bottle-Feeding
    • Breastfeeding
    • Food Mills
    • Food Storage
    • Highchairs and Booster Seats
    • Solid Feeding
  • For Moms
    • Family Planning Tests
    • Maternity
    • Maternity Pillows
    • Pillows and Pillow Covers
    • Prenatal Monitoring Devices
  • Gifts
    • Albums, Frames and Journals
    • Gift Sets
    • Keepsakes
    • Rattles and Plush Rings
  • Nursery
    • Bedding
    • Furniture
    • Decor
  • Potty Training
    • Potties
    • Seat Covers
    • Seats
    • Training Pants
    • Travel Potties
  • Safety
    • Bathroom Safety
    • Cabinet Locks and Straps
    • Edge and Corner Guards
    • Electrical Safety
    • Gates and Gate Extensions
    • Kitchen Safety
  • Strollers
    • Joggers
    • Lightweight
    • Prams
    • Standard
    • Tandem
    • Travel Systems
  • Travel Gear
    • Child Seats
    • Play Cards
    • Harnesses and Leashes
    • Portable Changing Pads
    • Shopping Cart Covers
  • Home
  • Blog
  • About us
  • Contact us
  • Wishlist
  • Compare
  • Login / Register
0 Wishlist
0 Compare
Menu