One4Life ClickTight ARB (Clean Comfort)

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One4Life ClickTight ARB (Clean Comfort)


One4Life ARB grows with your child for 10 years. It easily converts from a rear-facing infant car seat, to a forward-facing 5-point harness, to a high-back belt-positioning booster. For added safety, the anti-rebound bar minimizes crash forces by stabilizing the car seat when installed rear-facing.

The seat is made with stain-resistant Nanotex technology, wicking fabric and extra padding for a clean, cool, comfortable ride. With ClickTight, you can install with confidence, every time. Simply open, buckle, and close. A high strength steel frame, crumple zone, and v-shaped tether help absorb crash energy, giving you peace of mind. And, 2 layers of side impact protection surround your child’s head, neck and torso.

As your baby grows, adjust the 15-position headrest & harness in seconds to create the perfect fit. When it’s time for booster mode, simply tuck the harness into the built-in storage compartment. Cooling channels and built-in arm rests keep your child happy on the go.


  • Coverts 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: One4Life convertible to booster car seat grows with your child from 5 – 120 lbs and up to 63” in height
  • Anti-rebound bar minimizes crash forces by stabilizing the car seat when installed rear-facing.
  • Stain-resistant Nanotex technology.
  • Wicking fabric keeps baby cool & dry.
  • Extra padding offers premium comfort.
  • ClickTight Installation. Install with confidence, every time. You’ll know it’s right in just 3 easy steps: Pinch to open. Thread & buckle. Click it closed.
  • 15-Position, Quick-Adjust Headrest & 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.I
  • 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 for your vehicle.
  • 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 & 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.
  • Nap-Friendly Padding & Fabrics 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.
  • 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.
More Information
Model One4Life

Rear Facing Harnessed:

  • Lower Weight (lbs): 5
  • Upper Weight (lbs): 50
  • Min Standing Height (in): NA
  • Max Standing Height (in): 49
  • RF Latch Capacity (lbs): 30

Forward Facing Harnessed:

  • Lower Weight (lbs): 22
  • Upper Weight (lbs): 65
  • Min Standing Height (in): NA
  • Max Standing Height (in): 49
  • FF Latch Capacity (lbs): 35

Belt-Positioning Booster:

  • Lower Weight (lbs): 40
  • Upper Weight (lbs): 120
  • Min Standing Height (in): 44
  • Max Standing Height (in): 63
  • Lower Seated Shoulder Height (in): NA
  • Upper Seated Shoulder Height (in): NA
  • Booster Latch Capacity (lbs): NA

Approximate Age (in months):

  • Lower Age: 0 Months - NA
  • Upper Age: 144 Months - 12 Years


  • Product Weight (lbs): 30
  • Product Dimensions (L x W x H): 20.5" x 19.5" x 25"
  • Seating Compartment Height (in): NA
  • Seat Area Depth (in): 13.25
  • Seat Area Width (in): 11
  • Shoulder Width (in): 14
  • Harness Slot Heights (in): 15 positions, 9” - 19"
  • Buckle Strap Positions: 3
  • Buckle Strap Depth -min (in/cm): 5.5
  • Buckle Strap Depth -max (in/cm): 8.75

Car Seat Specifics:

  • Headrest Extended (in): 33.5
  • Reclined Depth (in): 30
  • Reclined Position Headrest Extended (in): 35.5
Customer Reviews
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  1. Love it!
    We’ve been waiting for the car seat to arrive in Canada for close to a year, and it did not disappoint! Super easy to install, and our toddler is comfortable and happy in it. She loves that, even when reclined in rear-facing, she can easily reach the cup holders for snacks and drinks. The fabric is super easy to clean, and the vents on the side of the seat keep her cool. We are thrilled with our forever seat! Lives up to the Britax brand for sure!

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