One-hand automatic height and width adjustment provides 85% more room as your child grows.
Monterey® 5iST FixSafe™
Designed for ultimate portability, Monterey® 5iST FixSafe™ transforms in seconds from a compact fold to a full-size booster seat, without compromising safety or comfort. At 25% smaller than the average booster, Monterey® 5iST FixSafe™ folds down into a compact and convenient size and features an integrated carry handle and carry straps. So with Monterey® 5iST FixSafe™ you can always take safety with you for the joy of the journey. Suitable from 40 - 120 lb / 18 - 54 kg (38 - 63" tall / 96 - 160cm).
EXPANDS IN HEIGHT AND WIDTH
COMPACT FOLD TO FULL SIZE BOOSTER IN SECONDS
25% smaller than the average booster seat without compromising safety or comfort.
FIXSAFE™ RIGID LATCH CONNECTORS
Easy install with FixSafe™ rigid latch connectors for a safe and secure installation every time.
8 YEARS ONE BOOSTER
12 headrest positions and expandable sides to grow with your child from 40 - 120 lb / 18 - 54 kg (38 - 63" tall / 96 - 160cm) Machine Washable fabric and convenient cup holder ensure your child's booster seat stays clean and comfortable.
Includes 8 layers Safe+® side impact protection and rigorous crash testing to create the most advanced Monterey® ever.
TAKE SAFETY WITH YOU
Lightweight, easy carry with integrated carry handle and carry straps make Monterey 5iST FixSafe ideal for travel. Built with designated storage compartment for carry straps.
Minimum User Weight: 40 lb / 18 kg
Maximum User Weight: 120 lb / 54 kg
Product Height: 24.8 in / 63 cm
Product Width: 17.3 in / 44 cm
Product Depth: 16.1 in / 41 cm
Seat Weight: 18.7 lb / 8.5 kg
Maximum User Height: 63 in / 160 cm
Number of Head Support Positions: 12
Product Height - Folded: 23.6 in / 60 cm
Product Width - Folded: 17.3 in / 44 cm
Product Depth - Folded: 8.7 in / 22 cm
Care & Maintenance
Covers: Machine wash cold, line dry. Shell and Components: Spot clean
12 months standard warranty
The Diono Difference
The Monterey® 5iST FixSafe™ features Diono® Safe+® engineering, our unique combination of car seat engineering and rigorous testing to provide the best possible protection for your child.
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.
8 Years One Booster
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.
Designed for every journey
Lightweight, easy carry with integrated carry handle and carry straps make Monterey 5iST FixSafe ideal for travel.