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Description

The One4Life® Slim all-in-one car seat takes your child from birth to big kid with trusted Britax safety, ClickTight® installation, and a slim SpaceSaver™ design.

As a convertible and harness-2-booster seat in one, it grows with your child for 10 years.

It starts rear-facing with an extended capacity of up to 22.7 kg/50 lbs, so your child can ride rear-facing longer. It easily converts to forward-facing toddler mode (up to 29.4 kg/65 lbs.) and high-back belt-positioning booster mode (up to 54.4 kg/120 lbs.) when your child is ready.

With a slim outside and spacious inside, the 44.5 cm/17.5” seat is designed to fit 3 across* without compromising safety and comfort. ClickTight helps you install with confidence, every time. The base and shell are easy to wipe down for hassle-free cleanup. The car seat cover is safe to machine wash and dry, and it’s naturally flame-retardant with no added FR chemicals.

One4Life Slim features a high-strength steel frame, a SafeCell® crumple zone, and a V-shaped tether. As your child grows, you can easily adjust the 15-position no-rethread harness and headrest with one hand. With cooling channels, premium padding, three infant inserts, and built-in armrests, your child will love every ride.

Features:

  • Extended Rear Facing 2.3kgs – 22.7kgs
  • Forward Facing up to 29.4kgs
  • Booster Seat up to 54.4kgs
  • Removable, dishwasher safe cup holders
  • Safecell Crumple Zone Technology
  • Steel Reinforced belt paths and frame
  • Naturally Flame-retardant fabrics
  • CLICKTIGHT installation
  • Machine washable fabrics

High-Performance Car Seat Covers​

  • Premium. Soft knit fabric with woven accents for a tailored look.
  • Naturally Flame-Retardant with SafeWash®. Car seat cover is safe to machine wash and dry and naturally flame retardant with no added FR chemicals.
  • Recycled Polyester Accents. Woven mélange accents on the exterior and comfort pads are made from recycled polyester.
  • Stylish Colours. Trendy and fashionable options that parents and kids will love.

Recommendation – 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.

*Britax cannot guarantee 3-across fitment in all vehicles.

Delivery + Returns

  • Standard delivery: 3–7 business days.
  • Express delivery: 1–3 business days (extra charges apply).
  • Free returns within 30 days of delivery (product must be unused and in original packaging).
  • For damaged or missing items, contact support within 48 hours of receiving the order.

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Britax

Britax One4Life® Slim ClickTight®

Britax One4Life® Slim ClickTight®

Regular price $674.10
Regular price $749.00 Sale price $674.10
Colour: Mineral Grey
Quantity

Check in store stock at your nearest store

Payment Options

Afterpay

4 interest-free payments available with Afterpay

ZIP
Q-Card

Interest free with Q-Card

Gem

Long term payment plans available with Gem

Description

The One4Life® Slim all-in-one car seat takes your child from birth to big kid with trusted Britax safety, ClickTight® installation, and a slim SpaceSaver™ design.

As a convertible and harness-2-booster seat in one, it grows with your child for 10 years.

It starts rear-facing with an extended capacity of up to 22.7 kg/50 lbs, so your child can ride rear-facing longer. It easily converts to forward-facing toddler mode (up to 29.4 kg/65 lbs.) and high-back belt-positioning booster mode (up to 54.4 kg/120 lbs.) when your child is ready.

With a slim outside and spacious inside, the 44.5 cm/17.5” seat is designed to fit 3 across* without compromising safety and comfort. ClickTight helps you install with confidence, every time. The base and shell are easy to wipe down for hassle-free cleanup. The car seat cover is safe to machine wash and dry, and it’s naturally flame-retardant with no added FR chemicals.

One4Life Slim features a high-strength steel frame, a SafeCell® crumple zone, and a V-shaped tether. As your child grows, you can easily adjust the 15-position no-rethread harness and headrest with one hand. With cooling channels, premium padding, three infant inserts, and built-in armrests, your child will love every ride.

Features:

  • Extended Rear Facing 2.3kgs – 22.7kgs
  • Forward Facing up to 29.4kgs
  • Booster Seat up to 54.4kgs
  • Removable, dishwasher safe cup holders
  • Safecell Crumple Zone Technology
  • Steel Reinforced belt paths and frame
  • Naturally Flame-retardant fabrics
  • CLICKTIGHT installation
  • Machine washable fabrics

High-Performance Car Seat Covers​

  • Premium. Soft knit fabric with woven accents for a tailored look.
  • Naturally Flame-Retardant with SafeWash®. Car seat cover is safe to machine wash and dry and naturally flame retardant with no added FR chemicals.
  • Recycled Polyester Accents. Woven mélange accents on the exterior and comfort pads are made from recycled polyester.
  • Stylish Colours. Trendy and fashionable options that parents and kids will love.

Recommendation – 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.

*Britax cannot guarantee 3-across fitment in all vehicles.

Delivery + Returns

  • Standard delivery: 3–7 business days.
  • Express delivery: 1–3 business days (extra charges apply).
  • Free returns within 30 days of delivery (product must be unused and in original packaging).
  • For damaged or missing items, contact support within 48 hours of receiving the order.

Reviews

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