Diono Monterey XT Booster Seat

C$170.00 C$136.00
Availability: Out of stock

Overprotective in all the right ways!

The Monterey is a full-featured, expandable high-back booster seat designed to fit growing children 18 – 54 kg (40 lb to 120 lb). The adjustable head rest and deep, aluminum reinforced sides are lined with energy absorbing EPS foam for side impact protection and the reinforced seat bottom provides extra lap belt safety. This significantly strengthens the Monterey and provides superior defense against crash forces.

A simple-to-use dial on the back adjusts the width of the seat to fit a child’s shoulders up to 50.8 cm (20") wide. The 11-position headrest gives ultimate flexibility and adjusts up to 16.5 cm (6.5") in height with one hand for an easy, precise fit.

As a fixed-position booster, integrated UAS connectors and front adjusters allow for a safe and secure installation in seconds (UAS use is optional) and keeps the seat in position when not in use.

The seat bottom has extra length for leg support and features thick AirTek™ foam and tapered sides for total comfort. Retractable, dual cup holders are extra-deep and angled to keep drinks upright.

Monterey can also be used as a backless booster and packs flat for travel and storage.

SHIPPING NOTE: Over-sized items such as car seats do not qualify for free shipping. 

Key Features:

  • Fits children 18 – 54 kg (40 lb to 120 lb) and 97 – 160 cm (38″ to 63″) in height
  • Extra-deep side walls are reinforced with aluminum and lined with EPS foam for superior side impact protection
  • Energy absorbing AirTek™ foam provides superior cushioning and increased airflow for comfortable ride
  • Adjustable width: expandable seat back fits shoulders up to 50.8 cm (20”)
  • Adjustable height: 11 position headrest adjusts up to 16.5 cm (6.5″) with one hand
  • Can also be used as a backless booster
  • UAS system for secure installation (UAS use not required)
  • Angled, reinforced seat bottom prevents submarining
  • Longer seat bottom for proper leg support with cushioned comfort
  • 2 recline positions for comfort and to fit all vehicle seat shapes
  • Retractable cup holders are extra deep to keep drinks upright
  • Packs flat for travel and storage
  • 1 year warranty

Safety Features:

Side Impact Protection:  Monterey features deep, protective sidewalls that are reinforced and lined with energy absorbing EPS foam to provide the best side impact protection. Monterey was designed to protect a child in a side impact crash, as well as in an oblique accident. Monterey was crash tested in accordance with newly proposed FMVSS side impact standards. Results show that Monterey protected the child from both vehicle intrusion and contact with rigid interior vehicle components in a side impact event.

Real side impact protection means body containment, energy absorption and barrier protection:

  • Deep sidewalls and head support provide an encapsulating and protective barrier
  • Energy absorbing EPS foam lines the head, torso and hip sidewalls for increased protection.
  •  Aluminum reinforced structure provides enhanced containment of body mass at the hips and torso.

Only 25% of accidents are side impact events, but they account for many of the worst injuries. Side impact safety requires a rigid head support that will not flex outward under lateral forces. Sides must be deep and lined with firm, dense foam to absorb enough impact energy (like a bike helmet). Currently, there is no side impact testing standard or requirement. Any product can claim “side impact safety” without meeting any standard or even conducting any tests. Side impact testing was done in Germany to a standard established by ADAC, the most recognized automotive testing organization in Europe. ADAC utilizes a “fixed-barrier” side impact crash test that simulates the entire vehicle being struck from the side, requiring the structure of the child seat sidewalls to fully contain and protect the child. Structural side impact performance of a child seat can be seen clearly in our crash test video.

Latch: Monterey features integrated connectors that allow for optional attachment to a vehicle’s lower anchors. Fixed-position installation helps improve performance and eliminates the risk of an unoccupied booster becoming a flying hazard in an accident. The Monterey™ has UAS tightening adjusters which are conveniently located in front to make this installation option easy.

Anti-Submarining Protection: “Submarining” refers to the occupant beginning to slide underneath the lap belt during emergency braking or in an accident. Monterey features a ramped seat pan angle, combined with a reinforced seat bottom to keep the lap belt properly positioned across the child’s pelvic region. European crash test procedure measures lap belt intrusion to the abdomen and requires a low value to meet European certification. Monterey performs exceptionally well in this regard.

New Car Assessment Program (NCAP) for the Monterey:  NCAP crash testing assures that a child’s safety is not compromised by a potential failure of the child seat in a severe accident.

For the last 30 years, both US and Canada have been crash testing popular vehicle models. This test protocol involves running vehicles head-on into a fixed barrier at 56 km/h (35 mph). In the US, the results are published for consumers as the US arm of the international New Car Assessment Program (NCAP). In Canada, Transport Canada maintains a video database of these tests on their website. For “severe-accident” testing, Transport Canada utilizes an NCAP crash test of 56 km/h (35 mph and 47g impact force – almost twice the crash impact force of the standard CMVSS213 crash test of 48 km/h (30 mph) and 25g. It’s now the established benchmark for assessing child seat performance in severe accident conditions.

Please note: NCAP testing is not required for car seats.

Even under a worst case situation – NCAP testing with a 54.5 kg dummy – Monterey™ remained intact and the dummy was securely retained. The seat bottom did not crush, maintaining proper shoulder belt and lap belt positioning.

  • NCAP is 56 km/h (35mph), “severe-accident” crash testing that is required for all cars, but not car seats.
  • NCAP is almost double the impact force (47g) of a CNVSS213 crash test: 48 km/h, 25g impact force.
  • NCAP testing is well established in the child safety industry in Europe, Canada and US.

Especially for high-capacity child seats, the security of NCAP testing is a necessity.

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