For rear-facing infants from 4-50 Pound. and forward-facing toddlers from 22-65 Pound3-position extension panel adjusts to provide 5" additional leg room allowing your child to ride safely rear-facing longerUp to 50 Pound rear-facing allowing your child to ride safely rear-facing longerFor rear-facing infants from 4-50 lb. and forward-facing toddlers from 22-65 lb.Up to 50 lb rear-facing allowing your child to ride safely rear-facing longer