Britax Marathon ClickTight Convertible Car Seat

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Britax Marathon ClickTight Convertible Car Seat
As your baby grows, this convertible car seat safely and easily switches from rear-facing to forward-facing. Built with trusted Britax safety, which includes side impact protection to surround the head, neck and torso.

As your child grows from baby to toddler, the Marathon ClickTight convertible car seat. easily transitions from rear-facing to forward-facing. With ClickTight, you can install with confidence, every time. Simply open, thread & buckle, click it closed. Plus, easy-read level indicators and a quick-push recline help you find the proper angle for your vehicle and most comfortable fit for your child. Full body side impact protection surrounds the head, neck and torso. A steel frame and crumple zone help absorb crash energy. And, the patented V-shaped tether helps slow forward movement, so you can travel with peace of mind. Quickly and easily adjust the 14-position harness and headrest with one hand for the perfect fit.

Why You'll Love it

ClickTight Installation
Install with confidence 3 easy steps: open, thread & buckle, click it closed

Side Impact Protection
Energy-absorbing shell surrounds your child’s head, neck, and torso

SafeCell Technology
Acts as a crumple zone, absorbing crash energy to help keep it away from your child


High Strength Steel Frame
Reinforces the seat structure to help keep it stabilized

V-Shaped Tether
With staged-release stitches helps slow and reduce forward movement during a crash

14-Position, Quick-Adjust Harness & Headrest
Create the perfect fit as your baby grows

7-Position, Quick-Adjust Recline
Helps you find the most comfortable fit for your child and the best fit for your vehicle

Easy-Read Level Indicators
Help you find the correct recline angle for your vehicle

Removable Cover
Easy cleaning without taking off the harness.

Plush Foam Padding and Fabrics
For premium comfort and a quiet ride


Child Weight: 5-65 lbs
Product Dimensions: 23" x 18.5" x 23.6
Seat Area Depth/Width: 10.5" / 11.5"
Shoulder Width: 16"
Harness Slot Heights: 8.35"-19.4"
Buckle Strap Depths: 5.25" - 7"
Rear-facing Harnessed Weight: 5-40 lbs
Rear-facing Harnessed Height: Less than 49"
Forward-facing Harnessed Weight: 20-65 lbs
Forward-facing Harnessed Height: Less than 49"

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