Skip to content
  • 💰 Save big on your entire purchase with 20-40% off! 💰
  • 💰 Save big on your entire purchase with 20-40% off! 💰
Britax || Little Unicorn || Graco ShopBritax || Little Unicorn || Graco Shop
    • No products in the basket.

      Return to shop

  • Basket

    No products in the basket.

    Return to shop

  • Car Seats
    • Belt Positioning Booster Car Seats
    • Convertible Car Seats
    • Our Best Selling Travel Systems
    • Travel Blankets & Footmuffs
    • Harness Booster Car Seats
    • Car Seat Accessories
    • All-In-One Convertible Car Seats
    • Our Best Selling Infant Car Seats
    • Car Seat Stroller Frames
  • Bedding
    • Swaddle & Receiving Blankets
    • Security Blankets
  • Nursery
    • Sleep Sacks
    • Rugs
    • Changing Pads & Sheets
    • Storage & Organization
    • Mattresses
    • Lighting & Decor
    • Humidifers & Air Purifiers
  • Bath & Potty
    • Washcloths & Hooded Towels
    • Bath Toys
    • Bath Tubs
    • Skin & Hair Care
    • Bath Safety & Organization
    • First Aid
    • Diaper Pails & Refills
    • Step Stools
    • Cleaning Products
  • Safety & Child Proofing
    • Baby Monitors
Car Seats / Belt Positioning Booster Car Seats
Sale!
Diono Monterey 4DXT Latch 2-in-1 Booster Car Seat - Black
Diono Monterey 4DXT Latch 2-in-1 Booster Car Seat - Black - Image 2
Diono Monterey 4DXT Latch 2-in-1 Booster Car Seat - Black - Image 3
Diono Monterey 4DXT Latch 2-in-1 Booster Car Seat - Black - Image 4
Diono Monterey 4DXT Latch 2-in-1 Booster Car Seat - Black - Image 5
Diono Monterey 4DXT Latch 2-in-1 Booster Car Seat - Black - Image 6
Diono Monterey 4DXT Latch 2-in-1 Booster Car Seat - Black - Image 7
Diono Monterey 4DXT Latch 2-in-1 Booster Car Seat - Black -Britax || Little Unicorn || Graco Shop diono monterey 4dxt latch 2 in 1 booster car seat yellow sulphur 62 2
Diono Monterey 4DXT Latch 2-in-1 Booster Car Seat - Black -Britax || Little Unicorn || Graco Shop diono monterey 4dxt latch 2 in 1 booster car seat yellow sulphur 63 2
Diono Monterey 4DXT Latch 2-in-1 Booster Car Seat - Black -Britax || Little Unicorn || Graco Shop diono monterey 4dxt latch 2 in 1 booster car seat yellow sulphur 64 2
Diono Monterey 4DXT Latch 2-in-1 Booster Car Seat - Black -Britax || Little Unicorn || Graco Shop diono monterey 4dxt latch 2 in 1 booster car seat yellow sulphur 65 2
Diono Monterey 4DXT Latch 2-in-1 Booster Car Seat - Black -Britax || Little Unicorn || Graco Shop diono monterey 4dxt latch 2 in 1 booster car seat yellow sulphur 66 2
Diono Monterey 4DXT Latch 2-in-1 Booster Car Seat - Black -Britax || Little Unicorn || Graco Shop diono monterey 4dxt latch 2 in 1 booster car seat yellow sulphur 67 2

Diono Monterey 4DXT Latch 2-in-1 Booster Car Seat – Black

£199.99 Original price was: £199.99.£96.99Current price is: £96.99.

Buy Now
SKU: 10880-DIONO Categories: Belt Positioning Booster Car Seats, Car Seats Tag: Diono
  • The quality solution for all your needs.
  • The best quality products, always.
  • No-Questions-Asked Returns
  • Safe and Secure Shopping
Browse
  • Bath & Potty
    • Bath Safety & Organization
    • Bath Toys
    • Bath Tubs
    • Cleaning Products
    • Diaper Pails & Refills
    • First Aid
    • Skin & Hair Care
    • Step Stools
    • Washcloths & Hooded Towels
  • Bedding
    • Security Blankets
    • Swaddle & Receiving Blankets
  • Car Seats
    • All-In-One Convertible Car Seats
    • Belt Positioning Booster Car Seats
    • Car Seat Accessories
    • Car Seat Stroller Frames
    • Convertible Car Seats
    • Harness Booster Car Seats
    • Our Best Selling Infant Car Seats
    • Our Best Selling Travel Systems
    • Travel Blankets & Footmuffs
  • Nursery
    • Changing Pads & Sheets
    • Humidifers & Air Purifiers
    • Lighting & Decor
    • Mattresses
    • Rugs
    • Sleep Sacks
    • Storage & Organization
  • Safety & Child Proofing
    • Baby Monitors
  • Uncategorized
Recently Viewed
  • Maxi-Cosi Pria Max All-in-One Convertible Car Seat - Urban Wonder (PureCosi) Maxi-Cosi Pria Max All-in-One Convertible Car Seat - Urban Wonder (PureCosi) £319.99 Original price was: £319.99.£97.99Current price is: £97.99.
  • Description
  • Reviews (0)
Item # 10880-DIONO

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.

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:

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

Reviews

There are no reviews yet.

Be the first to review “Diono Monterey 4DXT Latch 2-in-1 Booster Car Seat – Black” Cancel reply

Related products

Sale!
Diono Rainier All-In-One Convertible Car Seat - Graphite
Quick View

Car Seats

Diono Rainier All-In-One Convertible Car Seat – Graphite

£239.99 Original price was: £239.99.£95.99Current price is: £95.99.
Sale!
Chicco KidFit Adapt Plus 2-in-1 Belt Positioning Booster Car Seat - Vapor
Quick View

Belt Positioning Booster Car Seats

Chicco KidFit Adapt Plus 2-in-1 Belt Positioning Booster Car Seat – Vapor

£129.99 Original price was: £129.99.£90.99Current price is: £90.99.
Sale!
Copper Pearl Multi-Use Cover - Blush
Quick View

Car Seat Accessories

Copper Pearl Multi-Use Cover – Blush

£27.00 Original price was: £27.00.£18.90Current price is: £18.90.
Sale!
Silver Cross Dune/Reef Footmuff - Earth
Quick View

Car Seats

Silver Cross Dune/Reef Footmuff – Earth

£149.99 Original price was: £149.99.£97.99Current price is: £97.99.
Sale!
Nuna PIPA Lite RX Lightweight Infant Car Seat With Load Leg - Riveted
Quick View

Car Seats

Nuna PIPA Lite RX Lightweight Infant Car Seat With Load Leg – Riveted

£369.00 Original price was: £369.00.£99.99Current price is: £99.99.
Sale!
Britax B-Free & B-Safe Ultra Travel System - Frost
Quick View

Car Seats

Britax B-Free & B-Safe Ultra Travel System – Frost

£388.00 Original price was: £388.00.£95.99Current price is: £95.99.
Sale!
WAYB Pico Forward Facing Travel Car Seat + Deluxe Travel Bag Bundle - Slate
Quick View

Car Seats

WAYB Pico Forward Facing Travel Car Seat + Deluxe Travel Bag Bundle – Slate

£350.00 Original price was: £350.00.£98.99Current price is: £98.99.
Sale!
Cybex Cloud G Comfort Extend Reclining Infant Car Seat With Anti-Rebound Bar - Ocean Blue
Quick View

Car Seats

Cybex Cloud G Comfort Extend Reclining Infant Car Seat With Anti-Rebound Bar – Ocean Blue

£399.95 Original price was: £399.95.£99.99Current price is: £99.99.
Products
  • Summer Infant Touchscreen Digital Video Monitor Summer Infant Touchscreen Digital Video Monitor £219.99 Original price was: £219.99.£99.99Current price is: £99.99.
  • Nanit Travel Case Nanit Travel Case £29.99 Original price was: £29.99.£20.99Current price is: £20.99.
LEGAL
  • Privacy Policy
  • Shipping & Returns
  • FAQ
  • Returns & Exchanges
  • Term and Conditions
CUSTOMER SERVICE
  • My account
  • Delivery
  • Payment Method
  • Contact Us
  • About Us
Signup for Newsletter

Sign up for exclusive offers, original stories, events and more.

    Copyright 2025 © Britax || Little Unicorn || Graco Shop
    • Car Seats
      • Belt Positioning Booster Car Seats
      • Convertible Car Seats
      • Our Best Selling Travel Systems
      • Travel Blankets & Footmuffs
      • Harness Booster Car Seats
      • Car Seat Accessories
      • All-In-One Convertible Car Seats
      • Our Best Selling Infant Car Seats
      • Car Seat Stroller Frames
    • Bedding
      • Swaddle & Receiving Blankets
      • Security Blankets
    • Nursery
      • Sleep Sacks
      • Rugs
      • Changing Pads & Sheets
      • Storage & Organization
      • Mattresses
      • Lighting & Decor
      • Humidifers & Air Purifiers
    • Bath & Potty
      • Washcloths & Hooded Towels
      • Bath Toys
      • Bath Tubs
      • Skin & Hair Care
      • Bath Safety & Organization
      • First Aid
      • Diaper Pails & Refills
      • Step Stools
      • Cleaning Products
    • Safety & Child Proofing
      • Baby Monitors
    • Login

    Login

    Lost your password?

    Register

    Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.