logo britax Siège Auto One4Life Slim - Raven Noir

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.

Features: 

All-in-One Car Seat: One4Life® Slim is a convertible and harness-2-booster seat in one! It easily converts from a rear-facing infant and toddler seat (2.3-22.7 kg/5-50 lbs.) to a forward-facing seat (10-29.5 kg/22-65 lbs.) to a high-back booster seat (18.1-54.4 kg/40-120 lbs.) 
10 Years of Use: This slim all-in-one car seat grows with your child from 2.3 to 54.4 kg (5 to 120 lbs.) and up to 160 cm (63”) tall   
ClickTight® Installation: Install with confidence in 3 easy steps: pinch to open, thread and buckle, click it closed! 
SpaceSaver™ Design: Slim outside, spacious inside! The 44.5 cm (17.5”) seat is designed to fit 3 across without compromising on trusted Britax safety and premium comfort. *Britax cannot guarantee 3-across installation fitment in all vehicles   
Premium Fabrics: The woven mélange accents give the car seat cover a tailored look, while the soft knit fabric on the padding and inserts helps keep your child comfortable during every ride 
Woven Accents on the Exterior and Comfort Pads: Made from recycled polyester 
Hassle-Free Cleanup: Extra space between the shell and base means you can clean under the seat with ease – and with minimal grooves in the seating area and base, you can wipe it down with no fuss 
Anti-Rebound Bar: Attaches to the car seat when installed rear-facing to help minimize movement in the event of a crash; must be removed when installed forward-facing 
SafeWash® Fabrics: No more hand-washing or waiting for the cover to air-dry; just quick and easy cleanup so you can keep moving    
Naturally Flame-Retardant Cover: With no added FR chemicals    
Three Removable Infant Inserts: Help provide a better fit for infants 
Accessible Color-Coded Belt Paths: Make it easy to route the seat belt through the correct path for each car seat mode 
Slide-Out Cup Holders: The dishwasher-safe cup holders slide out with ease for convenient cleaning and click back into place for a secure attachment during rides  
Cup-Holder-Free Option: Remove the cup holders completely and insert the armrest caps to save additional space 
15-Position No-Rethread Harness and Headrest: Adjust together quickly and easily with one hand to help create the proper fit as your child grows; no rethreading, ever! 
Patented V-Shaped Tether with Staged-Release Stitches: Helps slow and reduce forward movement during a crash 
High-Strength Steel Frame: Reinforces the seat structure to help keep it sturdy and stabilized 
Quick-Push, 9-Position Recline with Easy-Read Indicators: Helps you find the most comfortable fit for your child and the correct angle for your vehicle 
SafeCell® Technology: Acts as a crumple zone, absorbing crash energy to help keep it away from your child 
Two Layers of Energy Management: The protective seat shell and foam-lined headrest help absorb impact energy and are designed to help keep your child's head, neck, and body safe 
Soft Comfort Pads: Help prevent the harness from rubbing against your child’s skin 
Flip-Forward Buckle Pad: Stays out of the way for easy boarding; made with extra padding for premium comfort 
Built-In Cooling Channels: Improve airflow to help keep your child comfortable 
Plush Padding: For superior comfort and a quiet ride 
Easy-Pull Harness Adjuster: Lets you tighten the harness using just one hand 
Harness Holder Slots: Keep the harness straps out of the way while your child gets in and out of the seat 
5-Point Safety Harness with Diamond Weave Webbing: Provides adjustment points at the hips, shoulders, and between the legs 
Tag-Free Headrest: Supports your child’s head and neck without irritation 
Dimensions : 

Product Weight: 28

Product Height: 24.5

Product Length / Depth (in) 18.5

Product Width: 17.5