Welcome a world of flexibility with Monterey XT, the original expandable booster seat. Easily converts from a high back booster to a backless booster seat with wide contoured seat base and two retractable cup holders. Suitable from 40 - 120 pounds expect 8 years of safety from just one booster seat. Awarded IIHS ‘Best Bet’ Booster Seat, Monterey XT is lightweight, super portable and with adjustable headrest and expandable sides, ensures a proper fit for your little one at every age. Featuring 11 headrest positions Monterey XT can adapt quickly to growing children, with plenty of room for shoulders, hips and legs. A simple-to-use dial on the back adjusts the width of the seat up to 20” wide, while the headrest adjusts up to 6.5” in height with one hand for an easy precise fit. The superior side impact protection with aluminum reinforced head support and energy absorbing EPS foam, accommodates growth spurts without sacrificing protection. Equipped with LATCH connectors and front adjusters to securely connect to your vehicle in seconds, enhancing safety and stability. When they are ready the Monterey XT transforms from a high back booster to a backless booster car seat the backrest is easily removed offering 2 seats in 1.