The original expandable booster has evolved

$350.00
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monterey® 4DXT

  • DESCRIPTION  
  • SPECS
  • VIDEO

We’ve taken the award-winning Monterey® booster seat and painstakingly engineered 15 upgrades to create the next generation of booster. Suitable from 40 - 120 lb (18 - 54 kg) or approx. 4 – 12 years.

Features:

15 UPGRADES FROM MONTEREY® XT

Includes automotive inspired fabrics that cover the entire booster seat back and breathable side panels to enhance airflow to keep your child cool on the move.

4 LAYER SIDE IMPACT PROTECTION

Extra deep aluminum reinforced sides provides 4 layers of enhanced side impact protection for their head, shoulders and torso.

EXPANDABLE HEIGHT & WIDTH

11 headrest positions and expandable side walls provides 69% increase in occupancy space as your child grows.

TWO SEATS IN ONE

Easily converts from a high back booster to a backless booster seat with wide contoured seat base and two retractable cup holders.

QUICK & SECURE INSTALLATION

Equipped with LATCH connectors and front adjusters to securely connect the booster seat to your vehicle in seconds, enhancing safety and stability.

Product Specs

  • Minimum User Weight: 40 lb / 18 kg

  • Maximum User Weight: 120 lb / 54 kg

  • Product Height: 27.2 in / 69 cm

  • Product Width: 21.3 in / 54 cm

  • Product Depth: 16.1 in / 41 cm

  • Seat Weight: 18.7 lb / 8.48 kg

Care & Maintenance

Covers: Front loader only, gentle cycle machine wash cold, line dry. 

Shell and Components: Spot clean

Warranty Information

12 months standard warranty

Diono Monterey® 4DXT Booster - Features

The Diono Difference

radian® 3QXT+ - diono® luxury slimline 3 across convertible car seat

Diono Engineering

All Diono boosters are designed and engineered to go over and above safety standards.

radian® 3QXT+ - diono® luxury slimline 3 across convertible car seat

Original expandable booster

The Diono Monterey® is the original expandable booster seat, engineered with both height and width adjustment for a custom fit at every age.

radian® 3QXT+ - diono® luxury slimline 3 across convertible car seat

8 Years One Booster Seat

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.

radian® 3QXT+ - diono® luxury slimline 3 across convertible car seat

Designed for every journey

Integrated LATCH connectors and front adjusters make for a simple and safe installation every time.

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