For the 1st guy I would recommend:
https://www.jockstrapcentral.com/productdisplay.php?product=39043
For the 2nd guy I would recommend:
https://www.jockstrapcentral.com/productdisplay.php?product=17301
For the 3rd guy I would recommend...
Some months ago there was a topic about it:
https://yourjockstraps.com/index.php?threads/have-a-hsa-fsa-this-jock-is-an-eligible-purchase.2221/#post-43474