work out without any reservation
When I first read this I didn't have any clue what this meant. But I've just realized that it might mean JUST EXACTLY WHAT YOU WROTE. That is, you are advising female expats to "work out" (do exercise) just as they would "back home."
Maybe the reason I didn't get this, is that if you actually mean women should go ahead and work out, in public areas, wearing the sort of outfits many American women wear to work out at stylish gyms and public beaches, well, then that is so hopelessly naive as to have flown right over my head.
I'm a male and I would NEVER work out in what I would have worked out in in Southern Cal. And in fact, I don't believe I wore a pair of shorts during the entire decade I was in the Middle East. Nor did I ever see an Omani wearing a pair of shorts in public.
Surely that is NOT what you meant. In which case, I have no idea what you mean with this phrase.