Britax

Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat

Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Parchment Convertible Car Seats
Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Convertible Car Seats
Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Raven Black Convertible Car Seats
Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Convertible Car Seats
Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Convertible Car Seats
Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Convertible Car Seats
Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Convertible Car Seats
Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Convertible Car Seats
Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Convertible Car Seats
Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Convertible Car Seats
Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Convertible Car Seats
Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Convertible Car Seats
Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Convertible Car Seats
Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Convertible Car Seats
Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Convertible Car Seats
Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Parchment Convertible Car Seats
Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Convertible Car Seats
Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Raven Black Convertible Car Seats
Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Convertible Car Seats
Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Convertible Car Seats
Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Convertible Car Seats
Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Convertible Car Seats
Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Convertible Car Seats
Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Convertible Car Seats
Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Convertible Car Seats
Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Convertible Car Seats
Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Convertible Car Seats
Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Convertible Car Seats
Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Convertible Car Seats
Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat Convertible Car Seats
Britax

Britax - One4Life Slim - ClickTight All-in-One Convertible Car Seat

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$679.95
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Extended 45 Day

Return Policy

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The Britax One4Life Slim ClickTight All-in-One Car Seat is designed to grow with your child from birth through the booster years while saving valuable backseat space. Featuring a slim 17.5" SpaceSaver™ design, it easily transitions from rear-facing to forward-facing harness and high-back booster modes, offering up to 10 years of use in one seat. With ClickTight® installation, SafeCell® technology, premium SafeWash® fabrics, and a spacious interior, the One4Life Slim delivers trusted safety, exceptional comfort, and an easier fit for growing families.

Features

  • All-in-One Design – Converts from rear-facing to forward-facing harness and high-back booster.
  • Up to 10 Years of Use – Accommodates children from 5–120 lbs.
  • ClickTight® Installation – Install with confidence in three easy steps: open, buckle, and click closed.
  • Slim SpaceSaver™ Design – 17.5" wide seat is designed to fit three-across in many vehicles.*
  • 15-Position Headrest & Harness – No-rethread harness and headrest adjust together as your child grows.
  • ReboundReduce™ Stability Bar – Helps reduce movement in rear-facing mode during a collision.
  • SafeCell® Technology – Energy-managing base and high-strength steel frame help absorb crash forces.
  • Two Layers of Side Impact Protection – Helps protect your child's head, neck, and torso.
  • 9 Recline Positions – Provides a comfortable fit in both rear- and forward-facing modes.
  • SafeWash® Fabrics – Naturally flame-retardant, machine washable, and dryer safe.
  • Removable Dishwasher-Safe Cup Holders – Easy to clean and convenient for drinks and snacks.
  • Easy-Clean Shell – Smooth shell design makes wiping away crumbs and spills simple.

Specifications

Specification Details
Modes of Use Rear-Facing, Forward-Facing Harness & High-Back Booster
Rear-Facing Weight Range 5–50 lbs (2.3–22.7 kg)
Rear-Facing Height Range Up to 49" (124.5 cm)
Forward-Facing Weight Range 22–65 lbs (10–29.5 kg)
Forward-Facing Height Range Up to 49" (124.5 cm)
Booster Weight Range 40–120 lbs (18.1–54.4 kg)
Booster Height Range 44–63" (111.8–160 cm)
Product Weight 28 lbs (12.7 kg)
Product Dimensions 20.75" L × 17.5" W × 25" H
Seat Width 17.5"
Harness 5-Point No-Rethread Harness
Headrest Positions 15
Recline Positions 9
Installation ClickTight® Seat Belt Installation
Cup Holders 2 Slide-Out, Dishwasher-Safe
Fabric Care Machine Washable & Dryer Safe
Frame High-Strength Steel
Use 10 Years

Customer Reviews

Based on 1 review
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R
Razia M. (Mississauga, Ontario)
Great car seat

Good car seat delivery was right on time

At Little Canadian, we're committed to making your shopping experience as easy and worry-free as possible. From fast shipping across Canada to our extended return policy, we're here to help every step of the way. If you ever have questions, our friendly customer service team is just a phone call or email away.

Shipping

  • Free shipping on eligible orders over $49 across Canada (before tax, excluding furniture).
  • Orders under $49 ship for a flat rate of $8.99.
  • Most in-stock orders are processed within 1–2 business days.
  • Furniture items ship for a flat rate based on the size of the item. Your shipping cost will be displayed on the product page or calculated at checkout before you complete your purchase.
  • Additional shipping charges may apply to remote locations or PO Boxes where carrier surcharges apply.

Returns

We want you to shop with confidence! That's why we offer an extended 45-day return policy on eligible items.

  • Items must be unused, completely unopened, and returned in their original packaging.
  • Clearance items are final sale.
  • Some exclusions apply. Please see our full policy for details.

Need more information? Visit our complete Shipping Information and Return Policy pages for full details, or contact us—we're always happy to help!