Transparency/see thru a PLUS in speedos

[Torchwatch]

Choose your audience with care and always test anything white, yellow or ice blue in the shower at home first just to see how transparent it actually is. A tight, thin, unlined, transparent suit will hold everything in place while showing every detail as soon as it gets wet.
You could always give such a swim brief to your handsome best friend just as the 2 of you are changing on a quiet section of beach.
"Let's not wear boring board shorts today, try a pair of these, I bet you would look really hot in them!"
"Race you to the water ........."