Chicco - Chicco KeyFit 22 Infant Car Seat and Base - Hazelwood The Chicco KeyFit 22 Infant Car Seat is the premier infant carrier for safety, comfort, and convenience. With its removable newborn insert, the KeyFit 22 Car Seat will accommodate your baby from four to 22 pounds. The KeyFit 22 s thickly cushioned seat includes a five-point safety harness and is lined with energy-absorbing foam for increased safety and comfort. The KeyFit 22 Base s spring-assisted level foot, two precision bubble levels, and Center-Pull LATCH adjustment guarantee quick and correct installment from either side of your vehicle and give you confidence that your child is safely secured in your vehicle.