Britax Marathon Convertible Car Seat Onyx
Manufacturer: Britax USA
Customer Rating:




, based on 197 reviews
Lowest Price: $249.99
This item ships for FREE with Super Saver Shipping.
By Supplier: Amazon.com
Availability: Usually ships in 24 hours
Editorial Review:
Unique features including a patent-pending rip-stitch tether - reduces G-force effects on the head and body in the event of an impact, a sculpted base, push button release LATCH system with patented Versa-TetherĀ®, and built-in vehicle belt lock-offs, make a tight installation in your vehicle quick and simple. The tangle-free polyester 5-point harness helps to effortlessly secure your child every day. The MarathonTM also offers a patented HUGSTM system, belly pad, and a plush & washable seat cover for that ultimate comfort experience for children rear-facing from 5 to 33 pounds or children forward-facing from 1 year old and 20 to 65 pounds. 32"H x 20"L x 19"W. Ashley Floral,New Denim, Shadow,Onyx, Erin, Cowmooflage or Granite and Mariposa. Excellent baby gear products and other baby stuff available for baby registry. Infant car seats for your baby.








I don't know that I would put a newborn in it though. We started using it around 3 months (12 1/2 pounds and 25 1/2") and would have liked to be able to tighten the shoulder straps just a bit more.
Would buy again for a 2nd child.












- 5 point harness with patented Floating HUGS system and 4 harness heights
- Built-in lock-off clips, Versa-Tether & Safe Guard LATCH Connectors
- EPS and Comfort Foam for safety and comfort
- Rear- and forward-facing recline
- Rear facing: 5 to 35 pounds. Forward facing: At least 1 year old and 20 to 65 pounds
Unique features including a patent-pending rip-stitch tether - reduces G-force effects on the head and body in the event of an impact, a sculpted base, push button release LATCH system with patented Versa-TetherĀ®, and built-in vehicle belt lock-offs, make a tight installation in your vehicle quick and simple. The tangle-free polyester 5-point harness helps to effortlessly secure your child every day. The MarathonTM also offers a patented HUGSTM system, belly pad, and a plush & washable seat cover for that ultimate comfort experience for children rear-facing from 5 to 33 pounds or children forward-facing from 1 year old and 20 to 65 pounds. 32"H x 20"L x 19"W. Ashley Floral,New Denim, Shadow,Onyx, Erin, Cowmooflage or Granite and Mariposa. Excellent baby gear products and other baby stuff available for baby registry. Infant car seats for your baby.
Customer Reviews:




excellent car seat
the car is perfect. Easy to install and high quality. You won't regret to pay the extra bucks for it. 2008-12-02




Great seat
I have several friends who have this seat and have been very pleased. I am as well. It is easy to install and my son appears to be very comfortable. Well, at least the screaming has stopped when we put him in the car =)
I don't know that I would put a newborn in it though. We started using it around 3 months (12 1/2 pounds and 25 1/2") and would have liked to be able to tighten the shoulder straps just a bit more.
Would buy again for a 2nd child.
2008-12-01




our 3rd Britax
the best- comfy, covers clean like charm, I always know he is the safest he can be...our 3rd Britax, 2 marathons, 1 roundabout...the a pair of frontiers will be the next...love them! 2008-11-29




Great carseat- easy to install and use!
We bought this carseat after our Graco wouldn't fit securely in our 2008 Honda CRV. This one went in much easier and is very sturdy. Also, the straps are easy to adjust and baby seems very comfortable. I also really like the velcro hold backs for the straps. Makes it easy to load/unload the baby. 2008-11-29




Great seat!
We are so happy with this seat. It is so much more comfortable for my 11 month old. I love the colors and the fact that there is velcro on the inside of the seat, which holds the straps away from my baby as I am loading her in and out of the seat. I would recommend this seat to anyone! 2008-11-28
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