Convertible car seat grows with your child from rear-facing harness (4-50 lb) to forward-facing harness (22-65 lb) Extend2Fit 4-position adjustable extension panel provides up to 5" additional legroom, allowing your child to safely ride rear-facing longer Up to 50 lb rear-facing, allowing your child to safely ride rear-facing longer Gracou00ae ProtectPlus Engineered™: a combination of the most rigorous crash tests that helps to protect your little one in frontal, side, rear & rollover crashes No-Rethread Simply Safe Adjust™ Harness System allows the headrest and harness to adjust together in one motion Choose the perfect headrest height from 10 positions to get the safest fit for your child as they grow