I suspect you have something more specific in mind - you should be aware that we here on Yedda cannot see the search page which led you to us, so unless you are specific in your question and/or topic, we must work with what we have.
There are many products which are made specifically just for men. Some have corresponding products made for women (i.e., shaving cream) but one that comes to mind which has no female counterpart is the athletic supporter, also known as a cup or jock strap.
