Is harnessed booster safe for 2 year old?


New member
My daughter's Size4Me is expiring the same month as her 2nd year birthday. I would love to go straight to a combination seat rather than getting another convertible. She's my youngest and I feel I'll get more use out of a combination. I do not want the bulk of an all-in-one.
1. Assuming she'll be forward facing regardless, is a harnessed booster as safe as a convertible?
2. How firm is the expiration date? Can I use it a few extra months to keep her rear facing a little longer? The seat has been in constant use since it was purchased in 2017. I live in the northeast, and my driveway is well shaded so my car doesn't get ridiculously hot in the summer.
3. Which would be the most comfortable harnessed booster option considering that she'll be using this as her primary seat for such a long time? In the past I've had kids with leg pain from Britax, so I want to have that in mind.

Thank you.

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