The Peg Perego Primo Viaggio Base with Load Leg is equipped with the right tight system which easily and securely locks the base in place for added stability. Infinite recline knob and tri-zone level indicator features always allow you to find the proper seat angle to follow the child's growth. The integrated anti-rebound bar provides superior protection in case of collision. Color-coded belt paths help in routing vehicle seat belts. The modern design of the Primo Primo Viaggio Base with Load Leg by Peg Perego with a rounded shape bottom allows for a better fit and is gentle on all vehicles' upholstery.