Britax Advocate CS Kathryn - The Britax Advocate CS Kathryn offers Side Impact Cushion Technology, which reduces side impact crash forces by 50%, by diverting crash forces away from the child, True Side Impact Protection, which distributes crash forces, shields from vehicle intrusion, contains the head and body, and minimizes side to side head movement, and the Click & Safe harness adjuster that "clicks" when the harness straps are snug as an audible aide to help determine when the harness is snugly secure.    Britax Advocate CS Features Quick-Adjust Head Restraint & No Re-Thread Harness easily adjust the harness shoulder height and head restraint without disassembling the harness Tangle-free, five-point harness with multiple harness heights for a snug and secure fit Premium push-button LATCH connectors for a quick, simple and tight installation Patented Versa-Tether® anchors top of seat to minimize movement in a crash Rear-and forward-facing recline for child comfort and positioning Rear-facing tethering for seat stabilization Energy-managing protective foam High density comfort foam gently cushions the child Body pillow for a custom fit Patented HUGS™, Harness Ultra Guard System, reduces forward head movement and gently cushions the neck and chest Built-in lock-offs tightly secure the vehicle seat belt Convenient belt holders keep harness straps to the sides while placing child in the car seat Plush, washable cover with matching comfort and belly pads Contoured base for a perfect fit in most vehicles