Britax Marathon 70 Convertible Car Seat (Previous Version), Onyx

The Britax Marathon 70 convertible car seat is designed for children rear facing from 5 to 40 pounds and forward facing up to 70 pounds
Safecell technology features safecells designed to compress in a crash, significantly lowering the center of gravity and counteracting the forward rotation of the child seat which normally propels child toward the front seat
Integrated Steel Bars strengthen the connection to the vehicle and reduce forward flexing of the child seat during a crash
Side Impact Protection comprised of deep side walls lined with energy-absorbing EPP foam distributes crash forces, shields from vehicle intrusion and contains the head, neck and body
Quick-adjust harness repositions the harness shoulder height without disassembling the harness straps The BRITAX MARATHON 70 Convertible Car Seat achieves optimum head safety through the combination of BRITAX SafeCell Technology, integrated steel bars, and a Versa-Tether, which work together to minimize head excursion and reduce the risk of head injury during a frontal impact. It also features easy installation, Side Impact Protection, and innovative details for your child's comfort a More »