Are you looking for comfortable cotton men's underwear? Than have a look at the Private Structure Quantum Brief.
The Private Structure Quantum Brief is a fairly standard brief cut. Its low-rise on the waist and gives good overall coverage. The pouch is seamed with contrast piping to give good definition of your manhood.
It's made from a super comfortable 95% Cotton / 5% Spandex that has good stretch and is durable.
This is a great all day comfortable brief that is ideal for multiple uses, and has a understated but modern look.