Britax One4Life All-in-One Car Seat, Onyx

One4Life takes your child from birth to big kid, surrounding them with trusted Britax safety. It easily converts from a rear-facing infant car seat, to a forward-facing 5-point harness seat, to a high-back belt-positioning booster seat. With ClickTight, there’s no stressing or struggling! Seat belt paths are fully open, clearing the way for confident installation, and the automatic tensioner takes care of the tightening. A high-strength steel frame, SafeCell crumple zone & V-shaped tether give you total peace of mind while you travel. Safe to machine wash & dry, the removable car seat cover stays looking like-new, mile after mile. No more hand washing or waiting for it to air-dry. Just quick, easy cleanup so you can keep moving. Mindfully-made from top to bottom, One4Life has a naturally flame-retardant cover with no added FR chemicals.
10 years of use: One4Life convertible to booster car seat grows with your child from 5 – 120 lbs and up to 63” tall.
ClickTight Installation: No stressing or struggling! Unobstructed seat belt paths clear the way for confident installation, and the automatic tensioner takes care of the tightening.
Washer & Dryer Friendly: No more hand washing or waiting for the cover to air-dry. Just quick and easy cleanup, so you can keep moving.
No Added FR Chemicals: Naturally flame-retardant fabrics & foam with no added FR chemicals.