Dots and stripes. Didn't Barbie have a striped suit like the one on the right? You can see from today's photos how lycra changed swimwear dramatically. Both suits by Ungaro Parallele.
Strategically placed cut-out, bracelets, and fabulous sunglasses! Suit by Nautic
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Simple black halter suit with a low low low-cut back. The only accent needed is long straight hair. Silhouette.
Twiggy wears a barely there hand knitted string bikini. You can just see the openwork knitting on the top. These teeny handmade bikinis were hugely popular in the early 70s. Twiggy wears hers with a black wig.
Set off a simple black bikini with a printed head scarf worn around the head and then wrapped and tied at the neck. Pierre Cardin Diffusion.