NOur famous slim-fit design now in a booster that’s less than 17" wide and has an innovative seat contour around the EasyPath® lap belt guides for EasyReach™ buckle access.
Connect3® RXT 2-in-1 High-Back Booster
- DESCRIPTION
- SPECS
Connect3® RXT 2-in-1 High-Back Booster is the first and only booster with a unique, multi-patented design that enables it to fit 3-across in a variety of combinations with other Connect3® boosters, Radian® convertible car seats, and adult passengers in most mid-sized sedans and up.
The Connect3® RXT 2-in-1 High-Back Booster was submitted to JPMA for the 2024 Innovation Awards. All Connect3® models share the patented 3-across features that won the award in the Child Restraint Systems category.
Features:
Fits 3-Across
Combined DualProtect™
head and backrest adjusts to 11 different positions, with a fastening carabiner to keep the shoulder belt in place.
Premium latch connectors
Built with easy-release straps that are accessible on the front of the booster for seamless grab and go. Plus, a built-in carry handle and can convert to backless mode.
Nap-Friendly
The SleepyCheek™ ergonomic headrest has a perfectly angled contour for your child to snooze comfortably with head and neck support.
Unmatched Comfort
With a 2-position reclining back rest and premium 2TexFoam seat base, the Connect3® prioritizes safety without compromising on comfort.
Innovative Layout
Includes a removable cup holder and separate combined cup/snack tray, which conveniently attaches in the 3-across set-up, allotting a spot for every child to have their designated space.
Backseat Snacking
Includes a cup holder and combined cup holder + snack tray, which are removable and can nest between Connect3® seats to accommodate a 3-across fit and store under the booster seat when not in use or on the go.
More about the Connect3® RXT 2-in-1 High-Back Booster

360° view of the Connect3® RXT 2-in-1 High-Back Booster

At less than 17" wide, Connect3® Booster fits 3-across in most mid-size sedans and up

Nesting cup holders save space and keep water bottles and snacks secure

Our patented contour shape provides EasyReach™ belt buckle access
Videos

Product Specs
Minimum User Weight: 40 lbs / 18 kg
Maximum User Weight: 120 lb / 54 kg
Maximum User Height: 63 in / 160 cm
Product Width: 16.3 in / 41.4 cm
Product Height: 23.6 - 28.7 in / 60 - 72 cm
Product Width with Cup Holders/Snack Tray:19.7 in / 50 cm
Product Depth as High-Back:18.1 - 24.8 in / 50 - 63 cm
Product Depth as Backless:18.1 in / 50 cm
Seat Weight: 11.5 lb / 5.2 kg
Number of Head Support Positions: 11
Flexible LATCH:Yes
Care & Maintenance
Covers: Front loader only, gentle cycle machine wash cold, line dry.
Shell and Components: Spot clean
Warranty Information
12 months standard warranty

The Diono Difference
Diono Engineering
All Diono boosters are designed and engineered to go over and above safety standards.
Designed for every journey
Integrated LATCH connectors and front adjusters make for a simple and safe installation every time.
8 Years One Booster
One thing all parents know, kids will keep on growing! Diono boosters are suitable from 40 - 120 lb (approx. 4 - 12 years) for 8 years of use.
Total Child Comfort
Ergonomically contoured seat and extra length for better leg support and child comfort.
