The Britax Marathon G4 Convertible Car Seat - Onyx is a must-have car accessory for ensuring your child’s safety during their car riding adventure. Designed with a revolutionary head safety feature, this convertible car seat uses SafeCell technology and an energy-absorbing Versa-Tether. Its integrated steel bars and Versa-Tether work together to minimize excursion and reduce the risk of head injury during frontal impact. Incorporated side-impact protection offers a tangle-free, five-point harness, recline adjustments, and an easily removable cover that also allows access to belt paths from the front of the seat.
Britax has been a leading innovator in child seat safety and ease of use for over 70 years. The bestselling child car seat manufacturer in Europe, Britax came to the United States' market in 1996 and quickly became one of the most-trusted child car seat brands in the country. Dedicated to child safety, Britax puts their products through rigorous testing and works with vehicle manufacturers to come up with vehicle design improvements to enhance child safety and performance of car seats. Britax also realizes that today's parents like to show off their flair for style, and this understanding is reflected in their car seats' unique designs and easy-to-clean fabrics.