Diono Radian 3RXT, 4-in-1 Convertible Car Seat, Rear and Forward Facing, Steel Core, 10 Years 1 Car Seat, Ultimate Safety and Protection, Slim Fit 3 Across, Gray Slate

SAFE & COMFORTABLE NEWBORN POSITIONING: Features newborn travel high wedge to create a safe and secure lie-flat travel position. The innovative technology pushes baby up to reduce head slump while helping to keep airways open. As your baby grows, simply remove the wedge to allow the 2-in-1 infant positioning liner for support.