The CYBEX Solution Z-Fix offers a high-back booster seat designed to grow up with your child, adapting to their changing needs. This seat boosts standard safety features by offering a patented, reclining headrest that prevents the tipping forward of the head during sleep, and an optimized Linear Side-impact Protection system to ensure the highest level of safety and comfort for your child. Using just one hand you can adjust both the height and width of the booster seat in one motion to ensure a proper fit to your child's size.