Or rather, a pair of the best men's jeans, period. The five-pocket denim pant is an icon worn through the decades by prospectors, cowboys, rocker n' rollers and well-dressed guys everywhere.

You've gotta know your jeans. Seriously—even if you don't know anything else about menswear, you've gotta be familiar with jeans. Luckily, it isn't rocket science—there are just a lot of ...