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One4Life® Slim ClickTight®
All-in-One Car Seat

 
 

The One4Life Slim all-in-one car seat takes your child from birth to big kid. It features an extended rear-facing capacity of up to 22.7 kg (50 lbs), easily converting to a forward-facing toddler seat (up to 29.5 kg/65 lbs) and a high-back belt-positioning booster seat (up to 54.4 kg/120 lbs) The 44.5 cm (17.5”) design helps you save backseat space, and ClickTight helps you install with confidence. This slim car seat is easy to clean, and the cover is safe to machine wash and dry with no added FR chemicals.

$679.99 CAD

Why You’ll Love It

Woman Installing Car Seat Rear-Facing

ClickTight Installation

Install with confidence in 3 easy steps: pinch to open, thread and buckle, click it closed!​

SpaceSaver™ Design​

Slim outside, spacious inside! 44.5 cm (17.5”) seat helps you save backseat space without compromising on trusted Britax safety and premium comfort.

Hassle-Free Cleanup​

Clean under the seat with ease – wipe it down with no fuss.​

 

Features & Benefits

Trusted Britax Safety:
Features an anti-rebound bar, a patented V-shaped tether, SafeCell® technology, a high-strength steel frame, and two layers of energy management 

15-Position Harness and Headrest:  
Adjust together with one hand to help create the proper fit as your child grows; no rethreading, ever!   

Quick-Push, 9-Position Recline:  ​​
Helps you find the most comfortable fit for your child and the correct angle for your vehicle   

Premium Fabrics: ​
Soft knit fabric with woven mélange accents that are made from recycled polyester

Safe to Machine Wash & Dry:  
Our fabrics are free of FR chemicals; they’re also washer and dryer-friendly to get you back on the road faster   

Slide-Out Cup Holders:
The dishwasher-safe cup holders slide out with ease for convenient cleaning 

Built-In Cooling Channels:
Improve airflow to help keep your child comfortable 

Comfortable Rides:
This slim car seat includes comfort pads, built-in cooling channels, three infant inserts, plush padding, and a tag-free headrest

5-Point Safety Harness:
Helps evenly distribute crash energy to keep your child safe 

High-Performance Car Seat Covers​

  • Soft knit fabric with woven mélange accents for a tailored look.

  • Car seat cover is safe to machine wash and dry and naturally flame retardant with no added FR chemicals.​

  • Woven mélange accents on the exterior and comfort pads are made from recycled polyester. ​

Product Specs

 
Rear Facing Mode - Raven Black
Forward Facing Mode - Raven Black
Rear Facing Mode - Parchment
Forward Facing Mode - Parchment

Child Fit Information

  • Rear-Facing Weight: 2.3-22.7 kg (5-50 lbs)

  • Rear-Facing Height: 124.5 cm (49")

  • Forward-Facing Weight: 10-29.5 kg (22-65 lbs)

  • Forward-Facing Height: 124.5 cm (49")

  • Belt-Positioning Booster Weight: 18.1-54.4 kg (40-120 lbs) 

  • Belt-Positioning Booster Height: 111.8-160 cm (44-63") 

Exterior Product Dimensions

  • Product Weight: 12.7 kg (28 lbs)

  • Product Dimensions (L X W X H): 47 x 44.5 x 62.69 cm (18.5 x 17.5 x 24.5")

Interior Product Dimensions

  • Seat Back Compartment Height: 53.8 cm (21")

  • Seating Area Depth: 24.29 cm (13.5")

  • Seating Area Width: 29.21 cm (11.5")

  • Shoulder Width: 35.56 cm (14")

  • Harness Slot Heights: 22.86-48.26 cm (9-19")

  • Buckle Strap Depths: 13.97-22.23 cm (5.5-8.75")

Britax strongly recommends:

  • Children ride rear-facing to the highest weight or height specified.

  • Children should remain in a child seat with a 5-point harness until reaching the maximum weight or height allowed.

  • The top tether be used at ALL times when installing the child restraint forward-facing.

Actual product may vary from image. Britax reserves the right to substitute fabrics or parts and/or make substitutions.

 
 
 

What Britax Families are Saying
about the One4Life Slim All-In-One Car Seat

 

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