Skip to content
Find the best in Baby Gear at Magic Beans
Find the best in Baby Gear at Magic Beans

Britax ONE4LIFE Clicktight All-in-One Car Seat / Booster


Available On :


The Britax One4Life is the all-in-one car seat of your dreams! Striking a sweet balance between additional safety features to keep your little one protected during a crash and convenient details to make parents’ lives easier, it is a win-win for everyone in the car! Comfort isn’t forgotten either; the Britax One4Life has plenty of features to make long road trips comfy for your little passenger from birth to big kid.

Safety First

When looking for a car seat for your child, you should always consider safety features as your top priority. There’s no shortage of amazing safety features with the Britax One4Life, so you can rest easy knowing your baby is in safe hands. Made from a high strength steel frame and two layers of EPS foam side impact protection, it truly is like a forcefield of protection around your child.

In addition to the sturdy build and protective foam, Britax has also built in several nifty safety features that allow the seat to protect your child even better during an impact. The Britax exclusive SafeCell technology crumples on impact to dissipate force away from the car seat and the v-shaped top tether helps stabilize the seat and prevent rotation. The Britax One4Life anti-rebound bar is also available for purchase separately for additional stability.

Effortless Installation

After performing thousands of car seat fittings for our customers over the years, we know how important it is to be able to easily install your car seat every single time. This is especially true because if your car seat is installed incorrectly, all the other safety features won’t work correctly. The Britax One4Life is extremely easy to install using the Britax ClickTight system. Simply pinch the buttons on the seat bottom to open the seat, feed the seat belt through, remove slack, and push the tensioning door closed. No need to use all your body weight or a second person to get a tight installation and no more confusion over whether or not it’s installed correctly. The ClickTight door gives you an audible click as confirmation of correct installation.

Convenient for Caregivers and Kids

Safety features and easy installation aside, you want a car seat that is easy to use in your everyday life. That’s why the Britax One4Life features a 9 position quick-push recline and an industry leading 15 position quick-adjust headrest and no-rethread five point harness. As your child grows older, the five point harness can be removed and stored away so you can use the Britax One4Life as a seat belt positioning booster. Ventilation panels on the side keep the seat cool and comfortable and two twist-off dishwasher safe cup holders give your child space to store drinks, snacks, or toys.

SafeWash Fabric

While most fabrics of the Britax One4Life can be machine washed but must be line dried, the SafeWash fabric option allows you to significantly cut down on cleaning time for the fabrics because it can be machine washed AND machine dried. The SafeWash fabric is also naturally flame retardant and has knit construction with comfortable padding. The SafeWash does not include ARB but one is available for purchase separately Britax One4Life anti-rebound bar.

    The Britax One4Life is safe to use with children who weigh between 5 and 120 lbs. The maximum seated shoulder height that the Britax One4Life can accommodate is 20.8".


    • ClickTight Installation
    • 9 Recline Positions
    • 15 Headrest Positions
    • No-Rethread Five Point Harness
    • Machine Washable Fabrics
    • Dishwasher Safe Cup Holders
    • Specs

    • 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 Height: 44-63"

    • Exterior Dimensions:
    • Product Weight: 30lbs
    • Product Dimensions: 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 Dimensions:
    • Seating Area Depth: 13.25"
    • Seating Area Width: 11"
    • Shoulder Width: 14"
    • Harness Slot Heights: 15 positions, 9"-19"
    • Buckle Strap Positions: 5.5"/ 6.75"/ 8.75"