No Bra, Showing Nipples, Small Breasts?

Yes, C-cups aren't small. My ex wife* was a C-cup, and she would only go braless on vacations and at the lake (if she wore anything) It was obvious that she was braless, and she loved the look. She preferred light colored and form fitting thin tops that allowed her pokies to do their thing and her small aureoles to be visible under the fabric. The thinner the fabric, the better she liked it.
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* Jean in my Exhibitionist Women blog.

 

My girlfriend* in graduate school had several thin tops she would wear. She also had a thin granny type dress. I noticed that every afternoon she would wear the granny dress with no bra and no panties when she would walk across the street during rush hour to a market across from my apartment. I went with her one afternoon and saw why she wore it. The traffic coming from town was headed west into the sun. When she crossed the street, the sun was shining through her thin dress, and she was essentially naked. Her breasts were completely exposed, and it was easy to see from her pubic hair that she was a real redhead.

The cars would stop for her as she crossed. She had a nice jiggle when she walked, and she took her time going across the street, jiggling her bare breasts for all the drivers to see. I mentioned to her that the sun shining through her dress completely exposed her breasts and her pussy hair. She smiled sweetly and said, "I know."

During the warm months she probably did this 100 to 150 times giving everyone a good look at what she had. Never caused an accident, but probably should have. She told me she liked for the guys to know she was a natural redhead. She was a trip, that Nan.
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* Nan in my Exhibitionist Women blog.

 

Was the dress transparent at her breasts?

 

There is a simple way to objectively determine the size of a woman's breasts. First measure the rib cage directly under the breasts. Then measure the breasts at the fullest part. If the difference is one inch or less, she is an AA cup, which means she is essentially flat chested. This especially true for a woman who measures less than one inch.
If the difference is two inches, she is an A cup.
If the difference is three inches, she is a B cup.
If the difference is four inches, she is a C cup.
If the difference is five inches, she is a D cup.

Women who are AA through B cups are perfect for the no bra look. Women who are C cups can pull off the look, if they are brave enough, but there is a lot of jiggle when doing so. My ex wife was a C cup. She was brave and embraced all the jiggle she could manage. Didn't bother her one bit to wear a semi transparent top in public. Of course the top became transparent in the sunlight. For her that was even better.

In my experience, only exhibitionists are comfortable with this presentation. Jean was an exhibitionist.