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Monterey® 4DXT

$199.99

2-in-1 Booster

Monterey® 4DXT Expandable Booster Seat [Black]
8 years one booster [Black]
Monterey® 4DXT Expandable Booster Seat [Black]
Monterey® 4DXT Expandable Booster Seat [Black]
Monterey® 4DXT Superstar approved, parent trusted [Black]
Monterey® 4DXT Expandable Booster Seat - 2 Seats [Black]
Featuring 4 layers of side impact protection [Black]
11 position headrest [Black]
SafePlus width adjustment [Black]
SafePlus one-hand width adjustment [Black]
Converts to backless booster [Black]
Features [Black]
Check it fits [Black]
Check it fits [Black]
Monterey® 4DXT Expandable Booster Seat [Red]
8 years one booster [Red]
Monterey® 4DXT Superstar approved, parent trusted [Red]
Monterey® 4DXT Expandable Booster Seat - 2 Seats [Red]
Featuring 4 layers of side impact protection [Red]
11 position headrest [Red]
SafePlus width adjustment [Red]
SafePlus one-hand width adjustment [Red]
Converts to backless booster [Red]
Features [Red]
Check it fits [Red]
Check it fits [Red]
Monterey® 4DXT Expandable Booster Seat [Blue]
8 years one booster [Blue]
Monterey® 4DXT Superstar approved, parent trusted [Blue]
Monterey® 4DXT Expandable Booster Seat - 2 Seats [Blue]
Featuring 4 layers of side impact protection [Blue]
11 position headrest [Blue]
SafePlus width adjustment [Blue]
SafePlus one-hand width adjustment [Blue]
Converts to backless booster [Blue]
Features [Blue]
Check it fits [Blue]
Check it fits [Blue]
Monterey® 4DXT Expandable Booster Seat [Purple]
8 years one booster [Purple]
Monterey® 4DXT Superstar approved, parent trusted [Purple]
Monterey® 4DXT Expandable Booster Seat - 2 Seats [Purple]
Featuring 4 layers of side impact protection [Purple]
11 position headrest [Purple]
SafePlus width adjustment [Purple]
SafePlus one-hand width adjustment [Purple]
Converts to backless booster [Purple]
Features [Purple]
Check it fits [Purple]
Check it fits [Purple]
Monterey® 4DXT Expandable Booster Seat [Yellow]
8 years one booster [Yellow]
Monterey® 4DXT Expandable Booster Seat [Yellow]
Monterey® 4DXT Expandable Booster Seat [Yellow]
Monterey® 4DXT Superstar approved, parent trusted [Yellow]
Monterey® 4DXT Expandable Booster Seat - 2 Seats [Yellow]
Featuring 4 layers of side impact protection [Yellow]
11 position headrest [Yellow]
SafePlus width adjustment [Yellow]
SafePlus one-hand width adjustment [Yellow]
Converts to backless booster [Yellow]
Features [Yellow]
Check it fits [Yellow]
Check it fits [Yellow]
Monterey® 4DXT Expandable Booster Seat [Black]

The original 2-in-1 booster that grows with your big kid with SafePlus® Engineering


$199.99
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Monterey® 4DXT

The original 2-in-1 booster seat with one of a kind, easy-adjust, separate height and width expansion. Transforms from a high-back booster to a backless booster as your big kid grows. With 15 SafePlus® and style upgrades from the Monterey® 2XT.

This seat has been awarded Best Bet Booster by IIHS.

Features:

  • 8 Years One Booster - for your big kid from 40 - 120 lb. It's all you will ever need.
  • Easy-adjust - 11-position headrest that grows up with your child. Engineered for safety and comfort with 2 layers of SafePlus® Side Impact Protection.
  • One of a kind - easy-adjust expandable backrest allows up to 6.5 in to grow with your big kid. With 4 layers of SafePlus® Side Impact Protection and deep padded cushioning.
  • Two built-in retractable 2-in-1 cup holder and snack tray - keeps your big kid's drink close at hand and stows away their essentials.
  • Our contoured premium soft fabrics - with layered foam padding that provide comfort and support can be easily removed for machine washing.
  • SafePlus® belt guides - easy access to seatbelt buckle help your big kid with self buckling - don't forget to check though!
  • Easy, quick and secure installation - engineered with automotive steel LATCH connectors and 2 easy adjust LATCH straps allow you to quickly tighten and secure your booster to your vehicle.
  • Engineered with side impact protection - our rigid shell is reinforced with 2 layers of high-impact aluminum and EPS energy absorbing foam,to protect the head, shoulders, and torso.

Product Specs

  • Minimum User Weight: 40 lb
  • Maximum User Weight: 120 lb
  • Maximum User Height: 63 in
  • Product Height: 27.2 in
  • Product Width: 20.5 in
  • Product Depth: 16.1 in
  • Seat Weight: 18.3 lb
  • Number of Head Support Positions: 11

Care & Maintenance

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

Warranty Information

12 months standard warranty - extended to 36 months when you register with Diono® post purchase

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