The American Academy of Pediatrics recommends children ride rear-facing until at least 2 years of age. Greco Extend2Fit 3-in-1 Car Seat featuring True Shield Technology features a 4-position extension panel that provides 5 inch of extra legroom allowing your child to ride safely rear-facing longer. This convertible car seat can be used from rear-facing infant car seat (4-50 pounds) to forward-facing 5-point harness seat (22-65 pounds) to high back belt-positioning booster (40-100 pounds). True Shield Technology provides advanced side impact protection, to protect your baby from head to hips in the event of a side impact. The seat features Simply Safe Adjust which allows you to adjust the headrest and harness together as your child grows, In Right Latch for a one-second Latch attachment and fuss free harness storage which holds the buckle out of the way, so it’s easy to get baby in and out.