monterey® 4DXT
the original monterey® booster has evolved.
- 15 Improvements: We’ve introduced 15 upgrades in safety, comfort and style to provide the next evolution in a long-standing legacy
- One Booster – 8 Years of Adventure:Like all Diono boosters, expect up to 8 years of service, so you can rest assured that the Monterey 4DXT will be with you for the long haul.
- Adjustable Protection:The height and width can be adjusted independently for safety that envelopes their head and shoulders up to 12 years of age. Forward-facing 15-36kg or up to 160cm.
- 3X Superior Side Impact Protection: The new 4DXT features the 3-layer Side Impact Protection system built in. From EPP foam coating, to the molded rigid shell casing and EPS coated outer shell, we’ve lovingly engineered every detail to keep your little one safe.
- Optimized Fit: With a 30mm reduction in the seat back, we’ve redesigned the Monterey base to improve fit in any vehicle, without reducing the internal seating capacity.
- Always Travel Ready:The 4DXT is super portable, lightweight (16.98lbs/7.7kg), easy to store and with our great flat pack feature it makes the perfect travel companion for your little one.
£199.00 – £229.00
Astronaut approved
parent trusted
Astronaut approved
parent trusted
Monterey 4DXT Highback Booster Seat
Group 2/3 Highback Booster Forward-facing 15-36kg
The original American booster has evolved, with 15 upgrades in safety and comfort…
3x Superior Side Impact Protection
From the EPP foam coating, to the molded rigid shell casing and EPS coated outer shell, we’ve lovingly engineered every detail to keep your little one safe, mile after mile.
Redesigned Headrest for Maximum Safety
Remodeled headrest improves side impact performance while the optimised headrest shape improves head containment in the case of a collision.
Easy One-hand Width Adjustment
A simple-to-use dial on the back adjusts the width of the seat to fit a child’s shoulders up to 51cm/20” wide.
11-position Head Rest That Grows With Your Child
The headrest adjusts up to 16.5cm/6.4” height with one hand for an easy precise fit.
Easy and Secure Installation
Integrated latch connectors and front adjusters provide a safe and secure installation.
The Perfect Travel Companion
Super portable, lightweight, easy to store and packs flat – perfect to take on every adventure.
Safety Never Looked So Good
Soft, absorbent, automotive-inspired fabric with unique geometric design for a stylish and comfortable ride. Machine washable and easy to care for.
