- Base with 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 the child toward the front seat
- Harness ultra guard system (HUGS) provides resistance to forward movement in the event of 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
- Tangle free, five point harness distributes crash forces across the strongest parts of the body and provides a secure fit
- Premium lower latch connectors for a quick and simple installation featuring a push button for easy release
- Base with safecell technology features safecells designed to compress in a crash
- Harness ultra guard system provides resistance to forward movement in the event of a crash
- Side impact protection comprised of deep side walls lined with energy absorbing EPP foam distributes crash forces
- Tangle free, five point harness distributes crash forces across the strongest parts of the body
Choose Only The Best in Safety For Your Child
View larger Britax Marathon Convertible Car Seat Packed with comfort and safety features, the Britax Marathon convertible car seat is constructed to provide head safety through the use of Britax SafeCell Technology in the base, integrated steel bars, and energy absorbing Versa-Tether that work together to minimize head excursion and reduce the risk of head injury during a frontal impact. It offers a no-rethread and quick-adjust five-point harn