The Nuna car seat is one of the most expensive child safety seats on the market, but there are good reasons why. The Nuna car seat features a five-star crash test rating and is designed with high-quality materials that make it both comfortable and safe for your child. It also has an adjustable headrest to help keep your little one’s neck in place during rides, as well as a no rethread harness system that allows you to easily adjust the straps without having to remove them from their slots in order to do so. Additionally, the Nuna car seat comes with a breathable fabric cover which helps regulate temperature and provides extra cushioning for long journeys. All these factors combine together making this product worth its price tag - especially considering how much you value your children's safety while they're out on the road!