Set Includes Car Seat, Base, and Two-Piece Robust Infant Insert,Features With its featherweight design at only 6 lbs., the Aria was designed to define new standards of safety and convenience in the realm of easy-to-carry baby gear Its strong yet light build with SmartSecure technology, Anti-Rebound+ Panel, and extra-large canopy provides a safe and comfortable ride for baby Included base with load leg for additional stability and energy absorption Infinite adjustable headrest for a more accurate