Britax Boulevard Convertible Car Seat G4[Download an Information Sheet. Click here. Please note that this feature may not be supported on mobile platforms.] The Britax Boulevard G4 convertible car seat achieves revolutionary head safety through the use of Britax SafeCell Technology in the base and HUGS chest pads with SafeCell Technology, 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. The Boulevard G4 also incorporates Britax True Side Impact Protection and offers a no-rethread and quick-adjust five-point harness, multiple buckle and recline adjustments, and an easy-remove cover that also allows access to belt paths from the front of the seat. A body pillow is provided for extra comfort and infant positioning. Features: HUGS Chest Pads with SafeCell Technology are affixed to the seat shell to ensure proper positioning while SafeCells compress to manage energy and provide resistance to the forward movement of your child in a crash EZ-Buckle System retains the harness buckle in a forward position and prevents the child from sitting on the buckle when boarding True Side Impact Protection is deep side walls with energy-absorbing EPP foam along with a head restraint which offers a double layer of EPP foam to distribute crash forces, shield from vehicle intrusion, and contain the head, neck and body Base with SafeCell Technology 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 Integrated Steel Bars strengthen the connection to the vehicle and reduce forward flexing of the child seat during a crash Energy-Absorbing Versa-Tether features a staged-release tether webbing to slow the forward movement, reducing the crash forces reaching the child, and a two-point attachment to minimize forward rotation while anchoring the top of the child seat Certified for Aircraft TravelManufacturer Recommended Weight/Height Limits: Rear Facing: 5 to 40 pounds Forward Facing: 20 to 70 pounds Up to 46 inches Product Dimensions: Width/Height/Depth: 18.5 x 26 x 21 inches Weight: 19.5 pounds Learn More: Visit the Britax shop! Click here. Please note that this feature may not be supported on mobile platforms.