True Shield Advanced Side-Impact Protection from head to hips; 3 seats in 1 for rear-facing infants 4-50 pounds, forward-facing toddlers 22-65 pounds and big kids 40-100 pounds; Extend2Fit 4-position extension panel provides 5 inch additional leg roomSimply Safe Adjust Harness System headrest and Harness adjust together; One-hand, 10-position adjustable headrest easily adapts for your growing childUp to 50 pounds rear-facing allowing your child to ride safely rear-facing longerIn Right Latch system for an easy, one-second Latch attachment; Fuss Free harness storage to get baby in and out easily; Easy-to-read level indicator helps eliminate rear-facing installation guesswork6-position recline helps keep your child comfy; plush inserts keep your child comfortable; 2 integrated upholders keeps your child's drinks or snacks close at hand