AQUX had a transparent suit, especially when it is wet
https://usg-online.com/index.php?media/aqux__2533.5368/
https://usg-online.com/index.php?media/aqux__2543.5369/
https://usg-online.com/index.php?media/aqux__2555.5370/
They keep changing designs, but look at the "sheer" suits here. They stick a comb under the sheer suits (various colors) to show how transparent they are, front or back
https://aqux.ocnk.net/product-list/8?page=2