Britax Marathon Convertible Car Seat - CrestviewMost Current Model - Diapers.com Exclusive!The Britax Marathon is a convertible car seat ideal for parents seeking premium comfort and a higher, forward-facing harnessed weight capacity. The seat features side impact protection, which distributes crash forces, shields from vehicle intrusion, and contains the head and body. The tangle-free, five-point harness with four harness heights ensures a snug and secure fit. Premium push-button LATCH connectors provide a quick, simple and tight installation. Unique features include the patented Versa-Tether for energy management, and rear- and forward-facing recline for child comfort and positioning.Features: -The most up-to-date model offered by Britax-Side Impact Protection distributes crash forces, shields from vehicle intrusion, and contains the head and body-Higher forward facing seat capacity allows children to remain harnessed up to 65 lbs. -Tangle-free, five-point harness with four 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-face tethering for seat stabilization-Rear- and forward-facing recline for child comfort and positioning -Energy-managing protective foam-High density comfort foam gently cushions the child -Patented HUGS, Harness Ultra Guard System, reduces forward head movement and gently cushions the neck and chest-Lift-lever front harness adjustment allows for a consistently snug fit harness fit-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-Seating Compartment Height: 24.5" -Seat Area Depth/Width: 9"/11" -Shoulder Width: 11.75" -Harness Slot Heights: 10" / 12.25" / 14.