An all-in-one car seat with a slimmer footprint and long-lasting fit range

The Britax One4Life Slim ClickTight All-in-One Car Seat is designed for Canadian families who want rear-facing, forward-facing harness, and high-back booster capability in one seat with a narrower profile. Its 44.5 cm design helps save backseat space while still offering the premium safety and comfort features Britax is known for.

Key Features

• All-in-one design supports rear-facing, forward-facing harness, and high-back booster use.
• 44.5 cm (17.5 in) SpaceSaver design helps fit more comfortably in tighter vehicle layouts.
• ClickTight installation helps deliver a secure setup in three easy steps.
• Anti-rebound bar, patented V-shaped tether, SafeCell technology, high-strength steel frame, and two layers of energy management support crash protection.
• 15-position harness and headrest adjust together with no rethreading.
• Machine-washable cover, slide-out dishwasher-safe cup holders, cooling channels, and plush inserts support everyday use.

Built for comfort in a slim format

The One4Life Slim includes a quick-push 9-position recline, lower infant insert, upper body support pillow, tag-free headrest, and built-in cooling channels to help keep children more comfortable from the early stages onward.

Specifications

• Rear-facing weight: 2.3-22.7 kg (5-50 lb)
• Rear-facing height: up to 124.5 cm (49 in)
• Forward-facing weight: 10-29.5 kg (22-65 lb)
• Forward-facing height: up to 124.5 cm (49 in)
• Belt-positioning booster weight: 18.1-54.4 kg (40-120 lb)
• Belt-positioning booster height: 111.8-160 cm (44-63 in)
• Product weight: 12.7 kg (28 lb)
• Product dimensions: 47 x 44.5 x 62.69 cm (18.5 x 17.5 x 24.5 in)

Usage note

Britax recommends riding rear-facing to the highest stated rear-facing weight or height limit and using the top tether at all times for forward-facing installation.

FAQ

Is the One4Life Slim narrower than the regular One4Life?

Yes. The One4Life Slim uses a 44.5 cm (17.5 in) design to help save backseat space.

How long can this seat grow with my child?

It covers three stages: rear-facing, forward-facing harness, and high-back booster, with use up to 54.4 kg (120 lb) in booster mode.

Can the cover be machine washed?

Yes. The cover is safe to machine wash and dry and is made without added FR chemicals.