That is one angle of discussion, but he clearly went hunting for 'unacceptable clothing choices.'

Now, if the discussion was about how she should have been appendix carrying, or had brass knuckles on her key ring, or bear spray, or a siren, or something. THAT is a different discussion and I would agree with having something close to hand to be able to defend from any scenario.

But she was out hiking / running. It would be guaranteed that she would be wearing those "unacceptable clothing choices," because that's what women wear to do those activities.