This summer we're having our second child, and our eldest turns 4. We're planning on using his current ERF car seat (it's birth to roughly 4-ish) for the new baby and moving him to a new seat, but I'm a bit lost. Can anyone recommend a good seat for my then-four-year-old? ISOFIX, please, and safety a priority - I think 5 point harnesses are safest of FF seats? One that can grow with him would be good - he's quite tall for his age.
TIA.
TIA.