BRITAX One4Life ClickTight All-in-One Convertible Car Seat
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 with peace of mind, knowing your child is surrounded in Trusted Britax Safety and Full Body Protection.
- Converts from a rear-facing infant seat (5- 50lb) to a forward-facing 5-point harness seat (22-65 lbs) to a high-back belt-positioning booster seat (40- 120lb).
- 10 years of use: grows with your child from 5 – 120 lbs.
- ClickTight Installation. Install with confidence, every time. You’ll know it’s right in just 3 easy steps: Pinch to open. Thread and buckle. Click it closed.
- 15-Position, Quick-Adjust Headrest and Harness create the proper fit as your child grows.
- 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 helps you find the most comfortable fit for your child and the best fit for your vehicle.
- SafeCell Technology acts as a crumple zone, absorbing crash energy to help keep it away from your child.
- Easy-Read Level Indicators help you find the correct recline angle when installing the car seat.
- 2 Layers of Side Impact Protection: Energy-absorbing shell and foam-lined surround your child’s head, neck and torso.
- Stay-Put, Soft Comfort Pads help prevent the harness from rubbing against your child’s delicate neck.
- 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.
- Color-Coded Belt Guides make it easy to route the seat belt through the correct paths for rear-facing, forward-facing, and booster mode.
- Removable Cover for easy cleaning without taking off the harness.
- Harness Compartment neatly stores straps and buckles within the seat while in booster mode.
- Dishwasher-Safe Cupholders easily twist out for cleaning between rides.
- Removable Infant Insert helps keep your tiny baby safe and comfortable under 20 lbs.
- Removable Head Pillow provides additional comfort for your growing baby.
- 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.
- Tether Storage keeps the tether straps organized and out of the way when not in use.
- Built-In Arm Rests keep your child happy and comfortable while they ride.
- 5-Point Safety Harness with diamond weave webbing.
- Tag-Free Headrest supports your child’s head and neck without irritation.
Infant 05 to 20 Ibs:
Toddler 20 to 50 Ibs:
|Child Fit Information|
|Rear-facing Harnessed Weight||5 - 50 lbs|
|Rear-facing Harnessed Height||Less than 49"|
|Forward-facing Harnessed Weight||22 - 65 lbs|
|Forward-facing Harnessed Height||Less than 49"|
|Belt Positioning Booster Weight||40 - 120 lbs|
|Belt Positioning Booster Height||44 - 63"|
Exterior Product Dimensions
|Product Weight||30 lbs|
|Product Dimensions (L x W x H)||20.5" (L) x 19.5" (W) x 25" (H)|
|Headrest Fully Extended Height||33.5"|
|Fully Reclined Depth||30"|
|Fully Reclined and Headrest Fully Extended Depth||35.5"|
Interior Product Dimensions
|Seating Area Depth||13.25"|
|Seating Area Width||11"|
|Harness Slot Heights||15 positions, 9" - 19"|
|Buckle Strap Positions||5.5" / 6.75" / 8.75"|
Britax strongly recommends that children should be secured with a harness system until they exceed the weight or height limits specified.
One4Life All In One ClickTight Convertible Car Seat- Comparison Chart Click Here
One4Life Car Seat Installation: Rear-Facing Harness Mode using LATCH:
One4Life Car Seat Installation Rear-Facing Harness Mode using ClickTight:
One4Life Car Seat Installation: Forward-Facing Harness Mode using ClickTight:
One4Life Car Seat Installation: Belt-Positioning Booster Mode using LATCH:
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