Great memories of the 70s and 80s. I had a girlfriend in the early 80s who had small breasts and as a result I never remember her wearing a bra and she thought it did her no good. She had a 'backless' knitted top that she wore a number of times when we went out, you could vaguely make out her nipples through the knit, and it got her a few admirers. Summer was a delight with T shirts, low cut vest tops and camisoles giving more than a few people a good flash.