Get the car seat thats built to grow! From your first ride together coming home from the hospital to soccer day carpools, the Safety 1st Crosstown All-in-One Convertible Car Seat will give your child a safe and comfortable ride. Built to Grow Through Three Stages The Crosstown All-in-One Convertible Car Seat is designed to last through all your firsts with your child, from 5 to 100 lbs and can be used in rear-facing, forward-facing, and belt-positioning booster mode.As your little one grows, the spring assist EZ-out harness system makes it easy to get kids in and out of the seat. Plus, the one-hand headrest adjustment and QuickFit harness allow you to adjust headrest height and harness straps in one simple step.