The Britax One4Life ClickTight car seat grows with your child for 10 years—from 2.27-54.43 kg & up to 160 cm tall. It has 2 Layers of Side Impact Protection: Energy-absorbing shell and foam-lined surround your child’s head, neck & torso. Its 15-Position, Quick-Adjust Headrest & Harness create the proper fit as your child grows. It also has a Quick-Push, 9-Position Recline and a Flip-Forward Buckle Pad that stays out of the way for easy boarding.