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