Joey's pants say "Pro Combat", so I am guessing that they are part of some top secret Defense Department "super soldier" program...
Schomoflage. If you wear it, it makes you almost invisible to the opposite sex, while attracting muscle worshipers far and wide. It also contains schmoelock, which unlike other scentlock products, actually gives off the smell of ball sweat, sustanon, and whey protein, which drives the schmoes into the area.
Sadly, some gyms are banning it, as they find that kind of baiting unsporting.