The Britax Grow With You ClickTight Harness Booster (up to 120 lbs) is designed to adapt as your child grows, transitioning from a forward-facing harness seat to a high-back belt-positioning booster. Featuring ClickTight installation for secure, straightforward setup and an adjustable headrest for a comfortable fit over time, it offers long-lasting usability in a streamlined design. Built for everyday family travel, this harness-to-booster seat delivers practical convenience with trusted Britax engineering.