One4Life convertible-to-booster car seat grows with your child for 10 years—from 5-120 lbs and up to 63” tall. As the only all-in-one with ClickTight, it’s easy to install in seconds, so you’ll know it’s right. Every time. Travel in total confidence, knowing your child is surrounded with Trusted Britax Safety and Full Body Protection.

Why Parents Love the Britax One4Life All-in-One Car Seat

Advanced impact and safety protection
Extremely easy and efficient seatbelt installation
Durable and easy to clean fabrics

Why Children Love the Britax One4Life All-in-One Car Seat

Padded and comfortable seat covers
Perfect fit with recline and harness positions

What's Included

Britax One4Life All-in-One Car Seat

Features

New and improved seat cover, easier to remove and install, as well as a tighter fit
Simplified harness storage
The harness simply tucks away behind the cover and under the seat pan, where previously it tucked away in the storage compartment of the shell
LATCH hooks reduce confusion on installation method
ClickTight Installation System makes car seat installation as simple as buckling a seat belt
SafeCell Impact Absorbing Base compresses to absorb crash energy and counteract forward movement
SafeCell Impact Stabilizing Steel Frame gives you peace of mind knowing there is strength through the spine of the car seat where you want it most
SafeCell Impact Absorbing Tether minimizes potential seat rotation with our unique two-strap design and slows forward movement with our patented rows of stitching that “give-way” one at a time.
SafeCell Impact Absorbing Harness keeps your child’s chest clip correctly positioned and absorbs energy in the event of a crash.
Quick-Adjust, 15-Position Harness and 2-Position Buckle
7-Position Recline with Automatic Level Indicator adjusts for your child’s comfort while ensuring the best installation angle for your vehicle.
Plush Foam Padding in the cover, buckle pad, shoulder pads and removable pillow surrounds your child in comfort at every touch point.
EZ-Buckle System keeps buckles and straps out of your way when placing your child in the car seat.
Easy-Remove Cover for cleaning convenience
Flip Forward Buckle Pad stays out of the way for easy boarding; made with extra padding for premium comfort
Built-In Cooling Channels and Ventilated Mesh improve air flow to keep your child comfortable
Dishwasher-Safe Cupholders easily twist out for cleaning between rides
Removable Head Pillow and Infant Insert
Built-In Arm Rests keep your child happy and comfortable while they ride
Made in the USA with global components

Installation Options

Tether LATCH
Seatbelt Installation

Weight Capacity

Rear Facing: 5-50 lbs
Forward Facing: 1 year and 22 lbs, up to 65 lbs
Booster Mode: up to 120 lbs

*The American Academy of Pediatrics recommends that all infants and toddlers should ride in a Rear-Facing Car Seat until they are 2 years of age, or until they reach the highest weight or height allowed by their car seat manufacturer.

Weight & Dimensions

Weight: 30 lbs
Dimensions: 20.5" L x 19.5" W x 25" H

Material and Care Instructions

Material: Plush foam padded fabric
Care: Spot or sponge clean with warm water and mild soap

Britax One4Life Car Seats

Britax One4Life ClickTight All-In-One Car Seat