Nate,
Just GO AHEAD and WEAR THEM, and enjoy that 'sweet feel' of the nice soft fleece rubbing against your junk - and who knows, it may even help to make you feel so comfortable and relaxed that you'll do EXTREMELY WELL on the exam
By the way, what color are they; the light grey ones?
Good Luck with the test and just sit back, RELAX and be 'Oh so comfortable' while you concentrate on making a good grade!!!
ucR