Where there are rules, there are rule breakers.
Age should not be a factor when deciding on a bathing suit - unless of course you're too young to make such decisions. But for adult women, it's not about age, it's about what works for you.
Swim suit designers continue to create new fabrics that hold it together and stop the sunlight from shining through. Patterns and carefully inserted control panels make the wearer appear 10 pounds lighter just by putting on the suit. Of course, the reality of wearing such a suit is similar to wearing a sausage skin. You are packed in there.
What's a woman to do?