This 3-in-1 Graco Argos 65 Car Seat now keeps your child harnessed longer up to 65 lbs., and converts to a booster seat up to 120 lbs. for years of use. Argos 65 also features the Simply Safe AdjustTM harness system--with one-hand, the harness and head rest automatically adjusts. The Argos 65 is steel-reinforced for strength and durability, Side Impact Tested, features EPS foam, and is LATCH-equipped.