At what age does someone become old and start wearing flat caps and a scarf

[Alex321]

The "open face " balaclavas were / are a very practical, if unstylish, way of keeping your neck warm. I had one or three as a kid.
However those just with holes for eyes and mouth definitely marked you out as a wrong 'un, terrorist or general undesirable.

I still use an open face balaclava on the bike when it is seriously cold.