Learning the A, B, C, D, system; they said the average is B, not trying to assume I’m different than the average guy, so I got the modal boxer briefs in B and they are to small. Next order, in search of truth, not flattery, I ordered the modal briefs in size C; that works. They are literally the most comfortable underwear I have ever owned. Just pull them on and everything goes into place. The complaint, you are several thousands years late, mankind needed this long ago. ca