You might have invested in the best trail running shorts on the ... Artilect M-Boulder 125 Boxer Briefs absolutely ticked that second box, so I was excited to test them out on the trails.

Narrator: Boxer shorts were introduced in the 1920s for ... Boxers or briefs? And it turns out, there might be a clear winner after all. Yes, wearing tighty-whities can lower your sperm count.